20637864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 63783720

約数和(自身を除く): 43145856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1297, 1326, 1768, 1989, 2594, 2652, 3891, 3978, 5188, 5304, 7782, 7956, 10376, 11673, 15564, 15912, 16861, 22049, 23346, 31128, 33722, 44098, 46692, 50583, 66147, 67444, 88196, 93384, 101166, 132294, 134888, 151749, 176392, 198441, 202332, 264588, 286637, 303498, 396882, 404664, 529176, 573274, 606996, 793764, 859911, 1146548, 1213992, 1587528, 1719822, 2293096, 2579733, 3439644, 5159466, 6879288, 10318932, 20637864]

約数ペア:

[(1, 20637864), (2, 10318932), (3, 6879288), (4, 5159466), (6, 3439644), (8, 2579733), (9, 2293096), (12, 1719822), (13, 1587528), (17, 1213992), (18, 1146548), (24, 859911), (26, 793764), (34, 606996), (36, 573274), (39, 529176), (51, 404664), (52, 396882), (68, 303498), (72, 286637), (78, 264588), (102, 202332), (104, 198441), (117, 176392), (136, 151749), (153, 134888), (156, 132294), (204, 101166), (221, 93384), (234, 88196), (306, 67444), (312, 66147), (408, 50583), (442, 46692), (468, 44098), (612, 33722), (663, 31128), (884, 23346), (936, 22049), (1224, 16861), (1297, 15912), (1326, 15564), (1768, 11673), (1989, 10376), (2594, 7956), (2652, 7782), (3891, 5304), (3978, 5188)]