20923140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1657

約数の個数: 96

約数和(自身を含む): 69156864

約数和(自身を除く): 48233724

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, 1607, 1860, 2170, 2604, 3214, 3255, 4340, 4821, 6428, 6510, 8035, 9642, 11249, 13020, 16070, 19284, 22498, 24105, 32140, 33747, 44996, 48210, 49817, 56245, 67494, 96420, 99634, 112490, 134988, 149451, 168735, 199268, 224980, 249085, 298902, 337470, 348719, 498170, 597804, 674940, 697438, 747255, 996340, 1046157, 1394876, 1494510, 1743595, 2092314, 2989020, 3487190, 4184628, 5230785, 6974380, 10461570, 20923140]

約数ペア:

[(1, 20923140), (2, 10461570), (3, 6974380), (4, 5230785), (5, 4184628), (6, 3487190), (7, 2989020), (10, 2092314), (12, 1743595), (14, 1494510), (15, 1394876), (20, 1046157), (21, 996340), (28, 747255), (30, 697438), (31, 674940), (35, 597804), (42, 498170), (60, 348719), (62, 337470), (70, 298902), (84, 249085), (93, 224980), (105, 199268), (124, 168735), (140, 149451), (155, 134988), (186, 112490), (210, 99634), (217, 96420), (310, 67494), (372, 56245), (420, 49817), (434, 48210), (465, 44996), (620, 33747), (651, 32140), (868, 24105), (930, 22498), (1085, 19284), (1302, 16070), (1607, 13020), (1860, 11249), (2170, 9642), (2604, 8035), (3214, 6510), (3255, 6428), (4340, 4821)]