20081964

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 59291568

約数和(自身を除く): 39209604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 41, 42, 49, 51, 68, 82, 84, 98, 102, 119, 123, 147, 164, 196, 204, 238, 246, 287, 294, 343, 357, 476, 492, 574, 588, 686, 697, 714, 833, 861, 1029, 1148, 1372, 1394, 1428, 1666, 1722, 2009, 2058, 2091, 2401, 2499, 2788, 3332, 3444, 4018, 4116, 4182, 4802, 4879, 4998, 5831, 6027, 7203, 8036, 8364, 9604, 9758, 9996, 11662, 12054, 14063, 14406, 14637, 17493, 19516, 23324, 24108, 28126, 28812, 29274, 34153, 34986, 40817, 42189, 56252, 58548, 68306, 69972, 81634, 84378, 98441, 102459, 122451, 136612, 163268, 168756, 196882, 204918, 239071, 244902, 295323, 393764, 409836, 478142, 489804, 590646, 717213, 956284, 1181292, 1434426, 1673497, 2868852, 3346994, 5020491, 6693988, 10040982, 20081964]

約数ペア:

[(1, 20081964), (2, 10040982), (3, 6693988), (4, 5020491), (6, 3346994), (7, 2868852), (12, 1673497), (14, 1434426), (17, 1181292), (21, 956284), (28, 717213), (34, 590646), (41, 489804), (42, 478142), (49, 409836), (51, 393764), (68, 295323), (82, 244902), (84, 239071), (98, 204918), (102, 196882), (119, 168756), (123, 163268), (147, 136612), (164, 122451), (196, 102459), (204, 98441), (238, 84378), (246, 81634), (287, 69972), (294, 68306), (343, 58548), (357, 56252), (476, 42189), (492, 40817), (574, 34986), (588, 34153), (686, 29274), (697, 28812), (714, 28126), (833, 24108), (861, 23324), (1029, 19516), (1148, 17493), (1372, 14637), (1394, 14406), (1428, 14063), (1666, 12054), (1722, 11662), (2009, 9996), (2058, 9758), (2091, 9604), (2401, 8364), (2499, 8036), (2788, 7203), (3332, 6027), (3444, 5831), (4018, 4998), (4116, 4879), (4182, 4802)]