20311401616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{7207}}^1$

素因数の和:7532

約数の個数: 80

約数和(自身を含む): 43760056320

約数和(自身を除く): 23448654704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 239, 268, 478, 536, 737, 956, 1072, 1474, 1912, 2629, 2948, 3824, 5258, 5896, 7207, 10516, 11792, 14414, 16013, 21032, 28828, 32026, 42064, 57656, 64052, 79277, 115312, 128104, 158554, 176143, 256208, 317108, 352286, 482869, 634216, 704572, 965738, 1268432, 1409144, 1722473, 1931476, 2818288, 3444946, 3862952, 5311559, 6889892, 7725904, 10623118, 13779784, 18947203, 21246236, 27559568, 37894406, 42492472, 75788812, 84984944, 115405691, 151577624, 230811382, 303155248, 461622764, 923245528, 1269462601, 1846491056, 2538925202, 5077850404, 10155700808, 20311401616]

約数ペア:

[(1, 20311401616), (2, 10155700808), (4, 5077850404), (8, 2538925202), (11, 1846491056), (16, 1269462601), (22, 923245528), (44, 461622764), (67, 303155248), (88, 230811382), (134, 151577624), (176, 115405691), (239, 84984944), (268, 75788812), (478, 42492472), (536, 37894406), (737, 27559568), (956, 21246236), (1072, 18947203), (1474, 13779784), (1912, 10623118), (2629, 7725904), (2948, 6889892), (3824, 5311559), (5258, 3862952), (5896, 3444946), (7207, 2818288), (10516, 1931476), (11792, 1722473), (14414, 1409144), (16013, 1268432), (21032, 965738), (28828, 704572), (32026, 634216), (42064, 482869), (57656, 352286), (64052, 317108), (79277, 256208), (115312, 176143), (128104, 158554)]