20189350935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3050

約数の個数: 144

約数和(自身を含む): 40478780160

約数和(自身を除く): 20289429225

約数列:

[1, 3, 5, 9, 13, 15, 29, 31, 39, 45, 65, 87, 93, 117, 145, 155, 169, 195, 261, 279, 377, 403, 435, 465, 507, 585, 845, 899, 1131, 1209, 1305, 1395, 1521, 1885, 2015, 2535, 2697, 2953, 3393, 3627, 4495, 4901, 5239, 5655, 6045, 7605, 8091, 8859, 11687, 13485, 14703, 14765, 15717, 16965, 18135, 24505, 26195, 26577, 35061, 38389, 40455, 44109, 44295, 47151, 58435, 73515, 78585, 85637, 91543, 105183, 115167, 132885, 151931, 175305, 191945, 220545, 235755, 256911, 274629, 345501, 428185, 455793, 457715, 499057, 525915, 575835, 759655, 770733, 823887, 1113281, 1190059, 1284555, 1367379, 1373145, 1497171, 1727505, 2278965, 2495285, 2654747, 3339843, 3570177, 3853665, 4119435, 4491513, 5566405, 5950295, 6836895, 7485855, 7964241, 10019529, 10710531, 13273735, 14472653, 15470767, 16699215, 17850885, 22457565, 23892723, 34511711, 39821205, 43417959, 46412301, 50097645, 53552655, 72363265, 77353835, 103535133, 119463615, 130253877, 139236903, 172558555, 217089795, 232061505, 310605399, 448652243, 517675665, 651269385, 696184515, 1345956729, 1553026995, 2243261215, 4037870187, 6729783645, 20189350935]

約数ペア:

[(1, 20189350935), (3, 6729783645), (5, 4037870187), (9, 2243261215), (13, 1553026995), (15, 1345956729), (29, 696184515), (31, 651269385), (39, 517675665), (45, 448652243), (65, 310605399), (87, 232061505), (93, 217089795), (117, 172558555), (145, 139236903), (155, 130253877), (169, 119463615), (195, 103535133), (261, 77353835), (279, 72363265), (377, 53552655), (403, 50097645), (435, 46412301), (465, 43417959), (507, 39821205), (585, 34511711), (845, 23892723), (899, 22457565), (1131, 17850885), (1209, 16699215), (1305, 15470767), (1395, 14472653), (1521, 13273735), (1885, 10710531), (2015, 10019529), (2535, 7964241), (2697, 7485855), (2953, 6836895), (3393, 5950295), (3627, 5566405), (4495, 4491513), (4901, 4119435), (5239, 3853665), (5655, 3570177), (6045, 3339843), (7605, 2654747), (8091, 2495285), (8859, 2278965), (11687, 1727505), (13485, 1497171), (14703, 1373145), (14765, 1367379), (15717, 1284555), (16965, 1190059), (18135, 1113281), (24505, 823887), (26195, 770733), (26577, 759655), (35061, 575835), (38389, 525915), (40455, 499057), (44109, 457715), (44295, 455793), (47151, 428185), (58435, 345501), (73515, 274629), (78585, 256911), (85637, 235755), (91543, 220545), (105183, 191945), (115167, 175305), (132885, 151931)]