20020736820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1537691}}^1$

素因数の和:1537741

約数の個数: 96

約数和(自身を含む): 66133057536

約数和(自身を除く): 46112320716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 1537691, 3075382, 4613073, 6150764, 7688455, 9226146, 10763837, 15376910, 18452292, 21527674, 23065365, 30753820, 32291511, 43055348, 46130730, 47668421, 53819185, 64583022, 92261460, 95336842, 107638370, 129166044, 143005263, 161457555, 190673684, 215276740, 238342105, 286010526, 322915110, 333678947, 476684210, 572021052, 645830220, 667357894, 715026315, 953368420, 1001036841, 1334715788, 1430052630, 1668394735, 2002073682, 2860105260, 3336789470, 4004147364, 5005184205, 6673578940, 10010368410, 20020736820]

約数ペア:

[(1, 20020736820), (2, 10010368410), (3, 6673578940), (4, 5005184205), (5, 4004147364), (6, 3336789470), (7, 2860105260), (10, 2002073682), (12, 1668394735), (14, 1430052630), (15, 1334715788), (20, 1001036841), (21, 953368420), (28, 715026315), (30, 667357894), (31, 645830220), (35, 572021052), (42, 476684210), (60, 333678947), (62, 322915110), (70, 286010526), (84, 238342105), (93, 215276740), (105, 190673684), (124, 161457555), (140, 143005263), (155, 129166044), (186, 107638370), (210, 95336842), (217, 92261460), (310, 64583022), (372, 53819185), (420, 47668421), (434, 46130730), (465, 43055348), (620, 32291511), (651, 30753820), (868, 23065365), (930, 21527674), (1085, 18452292), (1302, 15376910), (1860, 10763837), (2170, 9226146), (2604, 7688455), (3255, 6150764), (4340, 4613073), (6510, 3075382), (13020, 1537691)]