20123394044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{47119}}^1$

素因数の和:47370

約数の個数: 48

約数和(自身を含む): 39010836480

約数和(自身を除く): 18887442436

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 191, 382, 559, 764, 1118, 2236, 2483, 4966, 8213, 9932, 16426, 32852, 47119, 94238, 106769, 188476, 213538, 427076, 612547, 1225094, 2026117, 2450188, 4052234, 8104468, 8999729, 17999458, 26339521, 35998916, 52679042, 105358084, 116996477, 233992954, 386988347, 467985908, 773976694, 1547953388, 5030848511, 10061697022, 20123394044]

約数ペア:

[(1, 20123394044), (2, 10061697022), (4, 5030848511), (13, 1547953388), (26, 773976694), (43, 467985908), (52, 386988347), (86, 233992954), (172, 116996477), (191, 105358084), (382, 52679042), (559, 35998916), (764, 26339521), (1118, 17999458), (2236, 8999729), (2483, 8104468), (4966, 4052234), (8213, 2450188), (9932, 2026117), (16426, 1225094), (32852, 612547), (47119, 427076), (94238, 213538), (106769, 188476)]