20218100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1737

約数の個数: 72

約数和(自身を含む): 53121600

約数和(自身を除く): 32903500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1699, 1700, 2380, 2975, 3398, 5950, 6796, 8495, 11893, 11900, 16990, 23786, 28883, 33980, 42475, 47572, 57766, 59465, 84950, 115532, 118930, 144415, 169900, 202181, 237860, 288830, 297325, 404362, 577660, 594650, 722075, 808724, 1010905, 1189300, 1444150, 2021810, 2888300, 4043620, 5054525, 10109050, 20218100]

約数ペア:

[(1, 20218100), (2, 10109050), (4, 5054525), (5, 4043620), (7, 2888300), (10, 2021810), (14, 1444150), (17, 1189300), (20, 1010905), (25, 808724), (28, 722075), (34, 594650), (35, 577660), (50, 404362), (68, 297325), (70, 288830), (85, 237860), (100, 202181), (119, 169900), (140, 144415), (170, 118930), (175, 115532), (238, 84950), (340, 59465), (350, 57766), (425, 47572), (476, 42475), (595, 33980), (700, 28883), (850, 23786), (1190, 16990), (1699, 11900), (1700, 11893), (2380, 8495), (2975, 6796), (3398, 5950)]