20585460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 96

約数和(自身を含む): 68769792

約数和(自身を除く): 48184332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2131, 2415, 3220, 4262, 4830, 6393, 8524, 9660, 10655, 12786, 14917, 21310, 25572, 29834, 31965, 42620, 44751, 49013, 59668, 63930, 74585, 89502, 98026, 127860, 147039, 149170, 179004, 196052, 223755, 245065, 294078, 298340, 343091, 447510, 490130, 588156, 686182, 735195, 895020, 980260, 1029273, 1372364, 1470390, 1715455, 2058546, 2940780, 3430910, 4117092, 5146365, 6861820, 10292730, 20585460]

約数ペア:

[(1, 20585460), (2, 10292730), (3, 6861820), (4, 5146365), (5, 4117092), (6, 3430910), (7, 2940780), (10, 2058546), (12, 1715455), (14, 1470390), (15, 1372364), (20, 1029273), (21, 980260), (23, 895020), (28, 735195), (30, 686182), (35, 588156), (42, 490130), (46, 447510), (60, 343091), (69, 298340), (70, 294078), (84, 245065), (92, 223755), (105, 196052), (115, 179004), (138, 149170), (140, 147039), (161, 127860), (210, 98026), (230, 89502), (276, 74585), (322, 63930), (345, 59668), (420, 49013), (460, 44751), (483, 42620), (644, 31965), (690, 29834), (805, 25572), (966, 21310), (1380, 14917), (1610, 12786), (1932, 10655), (2131, 9660), (2415, 8524), (3220, 6393), (4262, 4830)]