20017442018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1\times {\mathrm{1327}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 36349378560

約数和(自身を除く): 16331936542

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 593, 1106, 1186, 1327, 1817, 2654, 3634, 4151, 8302, 9289, 12719, 13639, 18578, 25438, 27278, 30521, 46847, 61042, 93694, 95473, 104833, 190946, 209666, 213647, 327929, 427294, 655858, 733831, 786911, 1077481, 1467662, 1573822, 2154962, 2411159, 4822318, 5508377, 7542367, 11016754, 15084734, 16878113, 18098953, 33756226, 36197906, 62165969, 124331938, 126692671, 253385342, 435161783, 870323566, 1429817287, 2859634574, 10008721009, 20017442018]

約数ペア:

[(1, 20017442018), (2, 10008721009), (7, 2859634574), (14, 1429817287), (23, 870323566), (46, 435161783), (79, 253385342), (158, 126692671), (161, 124331938), (322, 62165969), (553, 36197906), (593, 33756226), (1106, 18098953), (1186, 16878113), (1327, 15084734), (1817, 11016754), (2654, 7542367), (3634, 5508377), (4151, 4822318), (8302, 2411159), (9289, 2154962), (12719, 1573822), (13639, 1467662), (18578, 1077481), (25438, 786911), (27278, 733831), (30521, 655858), (46847, 427294), (61042, 327929), (93694, 213647), (95473, 209666), (104833, 190946)]