20408065860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{533963}}^1$

素因数の和:534002

約数の個数: 144

約数和(自身を含む): 71585349696

約数和(自身を除く): 51177283836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 12740, 19110, 38220, 533963, 1067926, 1601889, 2135852, 2669815, 3203778, 3737741, 5339630, 6407556, 6941519, 7475482, 8009445, 10679260, 11213223, 13883038, 14950964, 16018890, 18688705, 20824557, 22426446, 26164187, 27766076, 32037780, 34707595, 37377410, 41649114, 44852892, 48590633, 52328374, 56066115, 69415190, 74754820, 78492561, 83298228, 97181266, 104122785, 104656748, 112132230, 130820935, 138830380, 145771899, 156985122, 194362532, 208245570, 224264460, 242953165, 261641870, 291543798, 313970244, 340134431, 392462805, 416491140, 485906330, 523283740, 583087596, 680268862, 728859495, 784925610, 971812660, 1020403293, 1360537724, 1457718990, 1569851220, 1700672155, 2040806586, 2915437980, 3401344310, 4081613172, 5102016465, 6802688620, 10204032930, 20408065860]

約数ペア:

[(1, 20408065860), (2, 10204032930), (3, 6802688620), (4, 5102016465), (5, 4081613172), (6, 3401344310), (7, 2915437980), (10, 2040806586), (12, 1700672155), (13, 1569851220), (14, 1457718990), (15, 1360537724), (20, 1020403293), (21, 971812660), (26, 784925610), (28, 728859495), (30, 680268862), (35, 583087596), (39, 523283740), (42, 485906330), (49, 416491140), (52, 392462805), (60, 340134431), (65, 313970244), (70, 291543798), (78, 261641870), (84, 242953165), (91, 224264460), (98, 208245570), (105, 194362532), (130, 156985122), (140, 145771899), (147, 138830380), (156, 130820935), (182, 112132230), (195, 104656748), (196, 104122785), (210, 97181266), (245, 83298228), (260, 78492561), (273, 74754820), (294, 69415190), (364, 56066115), (390, 52328374), (420, 48590633), (455, 44852892), (490, 41649114), (546, 37377410), (588, 34707595), (637, 32037780), (735, 27766076), (780, 26164187), (910, 22426446), (980, 20824557), (1092, 18688705), (1274, 16018890), (1365, 14950964), (1470, 13883038), (1820, 11213223), (1911, 10679260), (2548, 8009445), (2730, 7475482), (2940, 6941519), (3185, 6407556), (3822, 5339630), (5460, 3737741), (6370, 3203778), (7644, 2669815), (9555, 2135852), (12740, 1601889), (19110, 1067926), (38220, 533963)]