20163141971

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 24825077760

約数和(自身を除く): 4661935789

約数列:

[1, 7, 37, 59, 61, 97, 223, 259, 413, 427, 679, 1561, 2183, 2257, 3589, 3599, 5723, 5917, 8251, 13157, 13603, 15281, 15799, 21631, 25123, 25193, 40061, 41419, 57757, 92099, 95221, 133163, 151417, 211751, 218929, 349103, 486809, 503311, 800347, 802577, 932141, 1276229, 1319491, 1482257, 1532503, 2443721, 3407663, 3523177, 5602429, 5618039, 8933603, 9236437, 12916811, 29695349, 47220473, 48821167, 77849969, 90417677, 207867443, 330543311, 341748169, 544949783, 2880448853, 20163141971]

約数ペア:

[(1, 20163141971), (7, 2880448853), (37, 544949783), (59, 341748169), (61, 330543311), (97, 207867443), (223, 90417677), (259, 77849969), (413, 48821167), (427, 47220473), (679, 29695349), (1561, 12916811), (2183, 9236437), (2257, 8933603), (3589, 5618039), (3599, 5602429), (5723, 3523177), (5917, 3407663), (8251, 2443721), (13157, 1532503), (13603, 1482257), (15281, 1319491), (15799, 1276229), (21631, 932141), (25123, 802577), (25193, 800347), (40061, 503311), (41419, 486809), (57757, 349103), (92099, 218929), (95221, 211751), (133163, 151417)]