20359500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{277}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 69215328

約数和(自身を除く): 48855828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 277, 294, 300, 350, 375, 420, 490, 500, 525, 554, 588, 700, 735, 750, 831, 875, 980, 1050, 1108, 1225, 1385, 1470, 1500, 1662, 1750, 1939, 2100, 2450, 2625, 2770, 2940, 3324, 3500, 3675, 3878, 4155, 4900, 5250, 5540, 5817, 6125, 6925, 7350, 7756, 8310, 9695, 10500, 11634, 12250, 13573, 13850, 14700, 16620, 18375, 19390, 20775, 23268, 24500, 27146, 27700, 29085, 34625, 36750, 38780, 40719, 41550, 48475, 54292, 58170, 67865, 69250, 73500, 81438, 83100, 96950, 103875, 116340, 135730, 138500, 145425, 162876, 193900, 203595, 207750, 242375, 271460, 290850, 339325, 407190, 415500, 484750, 581700, 678650, 727125, 814380, 969500, 1017975, 1357300, 1454250, 1696625, 2035950, 2908500, 3393250, 4071900, 5089875, 6786500, 10179750, 20359500]

約数ペア:

[(1, 20359500), (2, 10179750), (3, 6786500), (4, 5089875), (5, 4071900), (6, 3393250), (7, 2908500), (10, 2035950), (12, 1696625), (14, 1454250), (15, 1357300), (20, 1017975), (21, 969500), (25, 814380), (28, 727125), (30, 678650), (35, 581700), (42, 484750), (49, 415500), (50, 407190), (60, 339325), (70, 290850), (75, 271460), (84, 242375), (98, 207750), (100, 203595), (105, 193900), (125, 162876), (140, 145425), (147, 138500), (150, 135730), (175, 116340), (196, 103875), (210, 96950), (245, 83100), (250, 81438), (277, 73500), (294, 69250), (300, 67865), (350, 58170), (375, 54292), (420, 48475), (490, 41550), (500, 40719), (525, 38780), (554, 36750), (588, 34625), (700, 29085), (735, 27700), (750, 27146), (831, 24500), (875, 23268), (980, 20775), (1050, 19390), (1108, 18375), (1225, 16620), (1385, 14700), (1470, 13850), (1500, 13573), (1662, 12250), (1750, 11634), (1939, 10500), (2100, 9695), (2450, 8310), (2625, 7756), (2770, 7350), (2940, 6925), (3324, 6125), (3500, 5817), (3675, 5540), (3878, 5250), (4155, 4900)]