20121850424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{18289}}^1$

素因数の和:18528

約数の個数: 64

約数和(自身を含む): 41481720000

約数和(自身を除く): 21359869576

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 149, 284, 298, 568, 596, 923, 1192, 1846, 1937, 3692, 3874, 7384, 7748, 10579, 15496, 18289, 21158, 36578, 42316, 73156, 84632, 137527, 146312, 237757, 275054, 475514, 550108, 951028, 1100216, 1298519, 1902056, 2597038, 2725061, 5194076, 5450122, 10388152, 10900244, 16880747, 21800488, 33761494, 35425793, 67522988, 70851586, 135045976, 141703172, 193479331, 283406344, 386958662, 773917324, 1547834648, 2515231303, 5030462606, 10060925212, 20121850424]

約数ペア:

[(1, 20121850424), (2, 10060925212), (4, 5030462606), (8, 2515231303), (13, 1547834648), (26, 773917324), (52, 386958662), (71, 283406344), (104, 193479331), (142, 141703172), (149, 135045976), (284, 70851586), (298, 67522988), (568, 35425793), (596, 33761494), (923, 21800488), (1192, 16880747), (1846, 10900244), (1937, 10388152), (3692, 5450122), (3874, 5194076), (7384, 2725061), (7748, 2597038), (10579, 1902056), (15496, 1298519), (18289, 1100216), (21158, 951028), (36578, 550108), (42316, 475514), (73156, 275054), (84632, 237757), (137527, 146312)]