20402340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1617

約数の個数: 96

約数和(自身を含む): 67436544

約数和(自身を除く): 47034204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1567, 1860, 2170, 2604, 3134, 3255, 4340, 4701, 6268, 6510, 7835, 9402, 10969, 13020, 15670, 18804, 21938, 23505, 31340, 32907, 43876, 47010, 48577, 54845, 65814, 94020, 97154, 109690, 131628, 145731, 164535, 194308, 219380, 242885, 291462, 329070, 340039, 485770, 582924, 658140, 680078, 728655, 971540, 1020117, 1360156, 1457310, 1700195, 2040234, 2914620, 3400390, 4080468, 5100585, 6800780, 10201170, 20402340]

約数ペア:

[(1, 20402340), (2, 10201170), (3, 6800780), (4, 5100585), (5, 4080468), (6, 3400390), (7, 2914620), (10, 2040234), (12, 1700195), (14, 1457310), (15, 1360156), (20, 1020117), (21, 971540), (28, 728655), (30, 680078), (31, 658140), (35, 582924), (42, 485770), (60, 340039), (62, 329070), (70, 291462), (84, 242885), (93, 219380), (105, 194308), (124, 164535), (140, 145731), (155, 131628), (186, 109690), (210, 97154), (217, 94020), (310, 65814), (372, 54845), (420, 48577), (434, 47010), (465, 43876), (620, 32907), (651, 31340), (868, 23505), (930, 21938), (1085, 18804), (1302, 15670), (1567, 13020), (1860, 10969), (2170, 9402), (2604, 7835), (3134, 6510), (3255, 6268), (4340, 4701)]