20120031568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{476507}}^1$

素因数の和:476564

約数の個数: 80

約数和(自身を含む): 49633073280

約数和(自身を除く): 29513041712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 728, 754, 812, 1456, 1508, 1624, 2639, 3016, 3248, 5278, 6032, 10556, 21112, 42224, 476507, 953014, 1906028, 3335549, 3812056, 6194591, 6671098, 7624112, 12389182, 13342196, 13818703, 24778364, 26684392, 27637406, 43362137, 49556728, 53368784, 55274812, 86724274, 96730921, 99113456, 110549624, 173448548, 179643139, 193461842, 221099248, 346897096, 359286278, 386923684, 693794192, 718572556, 773847368, 1257501973, 1437145112, 1547694736, 2515003946, 2874290224, 5030007892, 10060015784, 20120031568]

約数ペア:

[(1, 20120031568), (2, 10060015784), (4, 5030007892), (7, 2874290224), (8, 2515003946), (13, 1547694736), (14, 1437145112), (16, 1257501973), (26, 773847368), (28, 718572556), (29, 693794192), (52, 386923684), (56, 359286278), (58, 346897096), (91, 221099248), (104, 193461842), (112, 179643139), (116, 173448548), (182, 110549624), (203, 99113456), (208, 96730921), (232, 86724274), (364, 55274812), (377, 53368784), (406, 49556728), (464, 43362137), (728, 27637406), (754, 26684392), (812, 24778364), (1456, 13818703), (1508, 13342196), (1624, 12389182), (2639, 7624112), (3016, 6671098), (3248, 6194591), (5278, 3812056), (6032, 3335549), (10556, 1906028), (21112, 953014), (42224, 476507)]