20946510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17903}}^1$

素因数の和:17929

約数の個数: 48

約数和(自身を含む): 58653504

約数和(自身を除く): 37706994

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17903, 35806, 53709, 89515, 107418, 161127, 179030, 232739, 268545, 322254, 465478, 537090, 698217, 805635, 1163695, 1396434, 1611270, 2094651, 2327390, 3491085, 4189302, 6982170, 10473255, 20946510]

約数ペア:

[(1, 20946510), (2, 10473255), (3, 6982170), (5, 4189302), (6, 3491085), (9, 2327390), (10, 2094651), (13, 1611270), (15, 1396434), (18, 1163695), (26, 805635), (30, 698217), (39, 537090), (45, 465478), (65, 322254), (78, 268545), (90, 232739), (117, 179030), (130, 161127), (195, 107418), (234, 89515), (390, 53709), (585, 35806), (1170, 17903)]