20537400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2633}}^1$

素因数の和:2665

約数の個数: 96

約数和(自身を含む): 68589360

約数和(自身を除く): 48051960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2633, 3900, 5266, 7800, 7899, 10532, 13165, 15798, 21064, 26330, 31596, 34229, 39495, 52660, 63192, 65825, 68458, 78990, 102687, 105320, 131650, 136916, 157980, 171145, 197475, 205374, 263300, 273832, 315960, 342290, 394950, 410748, 513435, 526600, 684580, 789900, 821496, 855725, 1026870, 1369160, 1579800, 1711450, 2053740, 2567175, 3422900, 4107480, 5134350, 6845800, 10268700, 20537400]

約数ペア:

[(1, 20537400), (2, 10268700), (3, 6845800), (4, 5134350), (5, 4107480), (6, 3422900), (8, 2567175), (10, 2053740), (12, 1711450), (13, 1579800), (15, 1369160), (20, 1026870), (24, 855725), (25, 821496), (26, 789900), (30, 684580), (39, 526600), (40, 513435), (50, 410748), (52, 394950), (60, 342290), (65, 315960), (75, 273832), (78, 263300), (100, 205374), (104, 197475), (120, 171145), (130, 157980), (150, 136916), (156, 131650), (195, 105320), (200, 102687), (260, 78990), (300, 68458), (312, 65825), (325, 63192), (390, 52660), (520, 39495), (600, 34229), (650, 31596), (780, 26330), (975, 21064), (1300, 15798), (1560, 13165), (1950, 10532), (2600, 7899), (2633, 7800), (3900, 5266)]