20121551114

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{4157}}^1$

素因数の和:4803

約数の個数: 64

約数和(自身を含む): 37553725440

約数和(自身を除く): 17432174326

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 587, 589, 1174, 1178, 4109, 4123, 4157, 8218, 8246, 8314, 11153, 18197, 22306, 29099, 36394, 58198, 78071, 78983, 127379, 128867, 156142, 157966, 254758, 257734, 345743, 552881, 691486, 902069, 1105762, 1804138, 2420201, 2440159, 2448473, 4840402, 4880318, 4896946, 17081113, 17139311, 34162226, 34278622, 46363021, 75644929, 92726042, 151289858, 324541147, 529514503, 649082294, 1059029006, 1437253651, 2874507302, 10060775557, 20121551114]

約数ペア:

[(1, 20121551114), (2, 10060775557), (7, 2874507302), (14, 1437253651), (19, 1059029006), (31, 649082294), (38, 529514503), (62, 324541147), (133, 151289858), (217, 92726042), (266, 75644929), (434, 46363021), (587, 34278622), (589, 34162226), (1174, 17139311), (1178, 17081113), (4109, 4896946), (4123, 4880318), (4157, 4840402), (8218, 2448473), (8246, 2440159), (8314, 2420201), (11153, 1804138), (18197, 1105762), (22306, 902069), (29099, 691486), (36394, 552881), (58198, 345743), (78071, 257734), (78983, 254758), (127379, 157966), (128867, 156142)]