20079675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 47973120

約数和(自身を除く): 27893445

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 25, 33, 35, 45, 55, 57, 61, 63, 75, 77, 95, 99, 105, 133, 165, 171, 175, 183, 209, 225, 231, 275, 285, 305, 315, 385, 399, 427, 475, 495, 525, 549, 627, 665, 671, 693, 825, 855, 915, 1045, 1155, 1159, 1197, 1281, 1425, 1463, 1525, 1575, 1881, 1925, 1995, 2013, 2135, 2475, 2745, 3135, 3325, 3355, 3465, 3477, 3843, 4275, 4389, 4575, 4697, 5225, 5775, 5795, 5985, 6039, 6405, 7315, 8113, 9405, 9975, 10065, 10431, 10675, 12749, 13167, 13725, 14091, 15675, 16775, 17325, 17385, 19215, 21945, 23485, 24339, 28975, 29925, 30195, 32025, 36575, 38247, 40565, 42273, 47025, 50325, 52155, 63745, 65835, 70455, 73017, 86925, 89243, 96075, 109725, 114741, 117425, 121695, 150975, 191235, 202825, 211365, 260775, 267729, 318725, 329175, 352275, 365085, 446215, 573705, 608475, 803187, 956175, 1056825, 1338645, 1825425, 2231075, 2868525, 4015935, 6693225, 20079675]

約数ペア:

[(1, 20079675), (3, 6693225), (5, 4015935), (7, 2868525), (9, 2231075), (11, 1825425), (15, 1338645), (19, 1056825), (21, 956175), (25, 803187), (33, 608475), (35, 573705), (45, 446215), (55, 365085), (57, 352275), (61, 329175), (63, 318725), (75, 267729), (77, 260775), (95, 211365), (99, 202825), (105, 191235), (133, 150975), (165, 121695), (171, 117425), (175, 114741), (183, 109725), (209, 96075), (225, 89243), (231, 86925), (275, 73017), (285, 70455), (305, 65835), (315, 63745), (385, 52155), (399, 50325), (427, 47025), (475, 42273), (495, 40565), (525, 38247), (549, 36575), (627, 32025), (665, 30195), (671, 29925), (693, 28975), (825, 24339), (855, 23485), (915, 21945), (1045, 19215), (1155, 17385), (1159, 17325), (1197, 16775), (1281, 15675), (1425, 14091), (1463, 13725), (1525, 13167), (1575, 12749), (1881, 10675), (1925, 10431), (1995, 10065), (2013, 9975), (2135, 9405), (2475, 8113), (2745, 7315), (3135, 6405), (3325, 6039), (3355, 5985), (3465, 5795), (3477, 5775), (3843, 5225), (4275, 4697), (4389, 4575)]