20542781955

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{1259}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 33965568000

約数和(自身を除く): 13422786045

約数列:

[1, 3, 5, 15, 59, 103, 177, 179, 295, 309, 515, 537, 885, 895, 1259, 1545, 2685, 3777, 6077, 6295, 10561, 18231, 18437, 18885, 30385, 31683, 52805, 55311, 74281, 91155, 92185, 129677, 158415, 222843, 225361, 276555, 371405, 389031, 648385, 676083, 1087783, 1114215, 1126805, 1945155, 3263349, 3380415, 5438915, 7650943, 13296299, 16316745, 22952829, 23212183, 38254715, 39888897, 66481495, 69636549, 114764145, 116060915, 199444485, 348182745, 1369518797, 4108556391, 6847593985, 20542781955]

約数ペア:

[(1, 20542781955), (3, 6847593985), (5, 4108556391), (15, 1369518797), (59, 348182745), (103, 199444485), (177, 116060915), (179, 114764145), (295, 69636549), (309, 66481495), (515, 39888897), (537, 38254715), (885, 23212183), (895, 22952829), (1259, 16316745), (1545, 13296299), (2685, 7650943), (3777, 5438915), (6077, 3380415), (6295, 3263349), (10561, 1945155), (18231, 1126805), (18437, 1114215), (18885, 1087783), (30385, 676083), (31683, 648385), (52805, 389031), (55311, 371405), (74281, 276555), (91155, 225361), (92185, 222843), (129677, 158415)]