20618100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:790

約数の個数: 108

約数和(自身を含む): 66801280

約数和(自身を除く): 46183180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 739, 775, 900, 930, 1116, 1395, 1478, 1550, 1860, 2217, 2325, 2790, 2956, 3100, 3695, 4434, 4650, 5580, 6651, 6975, 7390, 8868, 9300, 11085, 13302, 13950, 14780, 18475, 22170, 22909, 26604, 27900, 33255, 36950, 44340, 45818, 55425, 66510, 68727, 73900, 91636, 110850, 114545, 133020, 137454, 166275, 206181, 221700, 229090, 274908, 332550, 343635, 412362, 458180, 572725, 665100, 687270, 824724, 1030905, 1145450, 1374540, 1718175, 2061810, 2290900, 3436350, 4123620, 5154525, 6872700, 10309050, 20618100]

約数ペア:

[(1, 20618100), (2, 10309050), (3, 6872700), (4, 5154525), (5, 4123620), (6, 3436350), (9, 2290900), (10, 2061810), (12, 1718175), (15, 1374540), (18, 1145450), (20, 1030905), (25, 824724), (30, 687270), (31, 665100), (36, 572725), (45, 458180), (50, 412362), (60, 343635), (62, 332550), (75, 274908), (90, 229090), (93, 221700), (100, 206181), (124, 166275), (150, 137454), (155, 133020), (180, 114545), (186, 110850), (225, 91636), (279, 73900), (300, 68727), (310, 66510), (372, 55425), (450, 45818), (465, 44340), (558, 36950), (620, 33255), (739, 27900), (775, 26604), (900, 22909), (930, 22170), (1116, 18475), (1395, 14780), (1478, 13950), (1550, 13302), (1860, 11085), (2217, 9300), (2325, 8868), (2790, 7390), (2956, 6975), (3100, 6651), (3695, 5580), (4434, 4650)]