20233789900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 46114548480

約数和(自身を除く): 25880758580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 109, 124, 155, 218, 233, 257, 310, 436, 466, 514, 545, 620, 775, 932, 1028, 1090, 1165, 1285, 1550, 2180, 2330, 2570, 2725, 3100, 3379, 4660, 5140, 5450, 5825, 6425, 6758, 7223, 7967, 10900, 11650, 12850, 13516, 14446, 15934, 16895, 23300, 25397, 25700, 28013, 28892, 31868, 33790, 36115, 39835, 50794, 56026, 59881, 67580, 72230, 79670, 84475, 101588, 112052, 119762, 126985, 140065, 144460, 159340, 168950, 180575, 199175, 239524, 253970, 280130, 299405, 337900, 361150, 398350, 507940, 560260, 598810, 634925, 700325, 722300, 787307, 796700, 868403, 1197620, 1269850, 1400650, 1497025, 1574614, 1736806, 1856311, 2539700, 2801300, 2994050, 3149228, 3473612, 3712622, 3936535, 4342015, 5988100, 6527029, 7425244, 7873070, 8684030, 9281555, 13054058, 15746140, 17368060, 18563110, 19682675, 21710075, 26108116, 32635145, 37126220, 39365350, 43420150, 46407775, 65270290, 78730700, 86840300, 92815550, 130540580, 163175725, 185631100, 202337899, 326351450, 404675798, 652702900, 809351596, 1011689495, 2023378990, 4046757980, 5058447475, 10116894950, 20233789900]

約数ペア:

[(1, 20233789900), (2, 10116894950), (4, 5058447475), (5, 4046757980), (10, 2023378990), (20, 1011689495), (25, 809351596), (31, 652702900), (50, 404675798), (62, 326351450), (100, 202337899), (109, 185631100), (124, 163175725), (155, 130540580), (218, 92815550), (233, 86840300), (257, 78730700), (310, 65270290), (436, 46407775), (466, 43420150), (514, 39365350), (545, 37126220), (620, 32635145), (775, 26108116), (932, 21710075), (1028, 19682675), (1090, 18563110), (1165, 17368060), (1285, 15746140), (1550, 13054058), (2180, 9281555), (2330, 8684030), (2570, 7873070), (2725, 7425244), (3100, 6527029), (3379, 5988100), (4660, 4342015), (5140, 3936535), (5450, 3712622), (5825, 3473612), (6425, 3149228), (6758, 2994050), (7223, 2801300), (7967, 2539700), (10900, 1856311), (11650, 1736806), (12850, 1574614), (13516, 1497025), (14446, 1400650), (15934, 1269850), (16895, 1197620), (23300, 868403), (25397, 796700), (25700, 787307), (28013, 722300), (28892, 700325), (31868, 634925), (33790, 598810), (36115, 560260), (39835, 507940), (50794, 398350), (56026, 361150), (59881, 337900), (67580, 299405), (72230, 280130), (79670, 253970), (84475, 239524), (101588, 199175), (112052, 180575), (119762, 168950), (126985, 159340), (140065, 144460)]