20107182452

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{158489}}^1$

素因数の和:158720

約数の個数: 48

約数和(自身を含む): 42176090880

約数和(自身を除く): 22068908428

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 197, 322, 394, 644, 788, 1379, 2758, 4531, 5516, 9062, 18124, 31717, 63434, 126868, 158489, 316978, 633956, 1109423, 2218846, 3645247, 4437692, 7290494, 14580988, 25516729, 31222333, 51033458, 62444666, 102066916, 124889332, 218556331, 437112662, 718113659, 874225324, 1436227318, 2872454636, 5026795613, 10053591226, 20107182452]

約数ペア:

[(1, 20107182452), (2, 10053591226), (4, 5026795613), (7, 2872454636), (14, 1436227318), (23, 874225324), (28, 718113659), (46, 437112662), (92, 218556331), (161, 124889332), (197, 102066916), (322, 62444666), (394, 51033458), (644, 31222333), (788, 25516729), (1379, 14580988), (2758, 7290494), (4531, 4437692), (5516, 3645247), (9062, 2218846), (18124, 1109423), (31717, 633956), (63434, 316978), (126868, 158489)]