20175082980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1\times {\mathrm{9619}}^1$

素因数の和:12333

約数の個数: 96

約数和(自身を含む): 60864585600

約数和(自身を除く): 40689502620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2689, 5378, 8067, 9619, 10756, 13445, 16134, 19238, 26890, 28857, 32268, 34957, 38476, 40335, 48095, 53780, 57714, 69914, 80670, 96190, 104871, 115428, 125047, 139828, 144285, 161340, 174785, 192380, 209742, 250094, 288570, 349570, 375141, 419484, 500188, 524355, 577140, 625235, 699140, 750282, 1048710, 1250470, 1500564, 1875705, 2097420, 2500940, 3751410, 7502820, 25865491, 51730982, 77596473, 103461964, 129327455, 155192946, 258654910, 310385892, 336251383, 387982365, 517309820, 672502766, 775964730, 1008754149, 1345005532, 1551929460, 1681256915, 2017508298, 3362513830, 4035016596, 5043770745, 6725027660, 10087541490, 20175082980]

約数ペア:

[(1, 20175082980), (2, 10087541490), (3, 6725027660), (4, 5043770745), (5, 4035016596), (6, 3362513830), (10, 2017508298), (12, 1681256915), (13, 1551929460), (15, 1345005532), (20, 1008754149), (26, 775964730), (30, 672502766), (39, 517309820), (52, 387982365), (60, 336251383), (65, 310385892), (78, 258654910), (130, 155192946), (156, 129327455), (195, 103461964), (260, 77596473), (390, 51730982), (780, 25865491), (2689, 7502820), (5378, 3751410), (8067, 2500940), (9619, 2097420), (10756, 1875705), (13445, 1500564), (16134, 1250470), (19238, 1048710), (26890, 750282), (28857, 699140), (32268, 625235), (34957, 577140), (38476, 524355), (40335, 500188), (48095, 419484), (53780, 375141), (57714, 349570), (69914, 288570), (80670, 250094), (96190, 209742), (104871, 192380), (115428, 174785), (125047, 161340), (139828, 144285)]