20187510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 58309632

約数和(自身を除く): 38122122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 443, 465, 490, 651, 735, 886, 930, 1085, 1302, 1329, 1470, 1519, 2170, 2215, 2658, 3038, 3101, 3255, 4430, 4557, 6202, 6510, 6645, 7595, 9114, 9303, 13290, 13733, 15190, 15505, 18606, 21707, 22785, 27466, 31010, 41199, 43414, 45570, 46515, 65121, 68665, 82398, 93030, 96131, 108535, 130242, 137330, 192262, 205995, 217070, 288393, 325605, 411990, 480655, 576786, 651210, 672917, 961310, 1345834, 1441965, 2018751, 2883930, 3364585, 4037502, 6729170, 10093755, 20187510]

約数ペア:

[(1, 20187510), (2, 10093755), (3, 6729170), (5, 4037502), (6, 3364585), (7, 2883930), (10, 2018751), (14, 1441965), (15, 1345834), (21, 961310), (30, 672917), (31, 651210), (35, 576786), (42, 480655), (49, 411990), (62, 325605), (70, 288393), (93, 217070), (98, 205995), (105, 192262), (147, 137330), (155, 130242), (186, 108535), (210, 96131), (217, 93030), (245, 82398), (294, 68665), (310, 65121), (434, 46515), (443, 45570), (465, 43414), (490, 41199), (651, 31010), (735, 27466), (886, 22785), (930, 21707), (1085, 18606), (1302, 15505), (1329, 15190), (1470, 13733), (1519, 13290), (2170, 9303), (2215, 9114), (2658, 7595), (3038, 6645), (3101, 6510), (3255, 6202), (4430, 4557)]