20161853670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{28771}}^1$

素因数の和:28906

約数の個数: 128

約数和(自身を含む): 57275154432

約数和(自身を除く): 37113300762

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 71, 94, 105, 141, 142, 210, 213, 235, 282, 329, 355, 426, 470, 497, 658, 705, 710, 987, 994, 1065, 1410, 1491, 1645, 1974, 2130, 2485, 2982, 3290, 3337, 4935, 4970, 6674, 7455, 9870, 10011, 14910, 16685, 20022, 23359, 28771, 33370, 46718, 50055, 57542, 70077, 86313, 100110, 116795, 140154, 143855, 172626, 201397, 233590, 287710, 350385, 402794, 431565, 604191, 700770, 863130, 1006985, 1208382, 1352237, 2013970, 2042741, 2704474, 3020955, 4056711, 4085482, 6041910, 6128223, 6761185, 8113422, 9465659, 10213705, 12256446, 13522370, 14299187, 18931318, 20283555, 20427410, 28396977, 28598374, 30641115, 40567110, 42897561, 47328295, 56793954, 61282230, 71495935, 85795122, 94656590, 96008827, 141984885, 142991870, 192017654, 214487805, 283969770, 288026481, 428975610, 480044135, 576052962, 672061789, 960088270, 1344123578, 1440132405, 2016185367, 2880264810, 3360308945, 4032370734, 6720617890, 10080926835, 20161853670]

約数ペア:

[(1, 20161853670), (2, 10080926835), (3, 6720617890), (5, 4032370734), (6, 3360308945), (7, 2880264810), (10, 2016185367), (14, 1440132405), (15, 1344123578), (21, 960088270), (30, 672061789), (35, 576052962), (42, 480044135), (47, 428975610), (70, 288026481), (71, 283969770), (94, 214487805), (105, 192017654), (141, 142991870), (142, 141984885), (210, 96008827), (213, 94656590), (235, 85795122), (282, 71495935), (329, 61282230), (355, 56793954), (426, 47328295), (470, 42897561), (497, 40567110), (658, 30641115), (705, 28598374), (710, 28396977), (987, 20427410), (994, 20283555), (1065, 18931318), (1410, 14299187), (1491, 13522370), (1645, 12256446), (1974, 10213705), (2130, 9465659), (2485, 8113422), (2982, 6761185), (3290, 6128223), (3337, 6041910), (4935, 4085482), (4970, 4056711), (6674, 3020955), (7455, 2704474), (9870, 2042741), (10011, 2013970), (14910, 1352237), (16685, 1208382), (20022, 1006985), (23359, 863130), (28771, 700770), (33370, 604191), (46718, 431565), (50055, 402794), (57542, 350385), (70077, 287710), (86313, 233590), (100110, 201397), (116795, 172626), (140154, 143855)]