20017927215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:651

約数の個数: 192

約数和(自身を含む): 42051889152

約数和(自身を除く): 22033961937

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 47, 55, 65, 99, 117, 121, 141, 143, 165, 195, 235, 363, 423, 429, 495, 517, 547, 585, 605, 611, 705, 715, 1089, 1287, 1331, 1551, 1573, 1641, 1815, 1833, 2115, 2145, 2585, 2735, 3055, 3993, 4653, 4719, 4923, 5445, 5499, 5687, 6017, 6435, 6655, 6721, 7111, 7755, 7865, 8205, 9165, 11979, 14157, 17061, 17303, 18051, 19965, 20163, 21333, 23265, 23595, 24615, 25709, 27495, 28435, 30085, 33605, 35555, 51183, 51909, 54153, 59895, 60489, 62557, 63999, 66187, 70785, 73931, 77127, 78221, 85305, 86515, 90255, 100815, 106665, 128545, 155727, 187671, 198561, 221793, 231381, 234663, 255915, 259545, 270765, 282799, 302445, 312785, 319995, 330935, 334217, 369655, 385635, 391105, 563013, 595683, 665379, 703989, 728057, 778635, 813241, 848397, 860431, 938355, 992805, 1002651, 1108965, 1156905, 1173315, 1413995, 1671085, 2184171, 2439723, 2545191, 2581293, 2815065, 2978415, 3007953, 3110789, 3326895, 3519945, 3640285, 3676387, 4066205, 4241985, 4302155, 5013255, 6552513, 7319169, 7743879, 9332367, 9464741, 10920855, 11029161, 12198615, 12725955, 12906465, 15039765, 15553945, 18381935, 27997101, 28394223, 32762565, 33087483, 34218679, 36595845, 38719395, 40440257, 46661835, 47323705, 55145805, 85182669, 102656037, 121320771, 139985505, 141971115, 165437415, 171093395, 202201285, 307968111, 363962313, 425913345, 444842827, 513280185, 606603855, 1334528481, 1539840555, 1819811565, 2224214135, 4003585443, 6672642405, 20017927215]

約数ペア:

[(1, 20017927215), (3, 6672642405), (5, 4003585443), (9, 2224214135), (11, 1819811565), (13, 1539840555), (15, 1334528481), (33, 606603855), (39, 513280185), (45, 444842827), (47, 425913345), (55, 363962313), (65, 307968111), (99, 202201285), (117, 171093395), (121, 165437415), (141, 141971115), (143, 139985505), (165, 121320771), (195, 102656037), (235, 85182669), (363, 55145805), (423, 47323705), (429, 46661835), (495, 40440257), (517, 38719395), (547, 36595845), (585, 34218679), (605, 33087483), (611, 32762565), (705, 28394223), (715, 27997101), (1089, 18381935), (1287, 15553945), (1331, 15039765), (1551, 12906465), (1573, 12725955), (1641, 12198615), (1815, 11029161), (1833, 10920855), (2115, 9464741), (2145, 9332367), (2585, 7743879), (2735, 7319169), (3055, 6552513), (3993, 5013255), (4653, 4302155), (4719, 4241985), (4923, 4066205), (5445, 3676387), (5499, 3640285), (5687, 3519945), (6017, 3326895), (6435, 3110789), (6655, 3007953), (6721, 2978415), (7111, 2815065), (7755, 2581293), (7865, 2545191), (8205, 2439723), (9165, 2184171), (11979, 1671085), (14157, 1413995), (17061, 1173315), (17303, 1156905), (18051, 1108965), (19965, 1002651), (20163, 992805), (21333, 938355), (23265, 860431), (23595, 848397), (24615, 813241), (25709, 778635), (27495, 728057), (28435, 703989), (30085, 665379), (33605, 595683), (35555, 563013), (51183, 391105), (51909, 385635), (54153, 369655), (59895, 334217), (60489, 330935), (62557, 319995), (63999, 312785), (66187, 302445), (70785, 282799), (73931, 270765), (77127, 259545), (78221, 255915), (85305, 234663), (86515, 231381), (90255, 221793), (100815, 198561), (106665, 187671), (128545, 155727)]