20744430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 57328128

約数和(自身を除く): 36583698

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 519, 571, 865, 1038, 1142, 1211, 1713, 1730, 2422, 2595, 2855, 3426, 3633, 3997, 5190, 5710, 6055, 7266, 7994, 8565, 11991, 12110, 17130, 18165, 19985, 23982, 36330, 39970, 59955, 98783, 119910, 197566, 296349, 493915, 592698, 691481, 987830, 1382962, 1481745, 2074443, 2963490, 3457405, 4148886, 6914810, 10372215, 20744430]

約数ペア:

[(1, 20744430), (2, 10372215), (3, 6914810), (5, 4148886), (6, 3457405), (7, 2963490), (10, 2074443), (14, 1481745), (15, 1382962), (21, 987830), (30, 691481), (35, 592698), (42, 493915), (70, 296349), (105, 197566), (173, 119910), (210, 98783), (346, 59955), (519, 39970), (571, 36330), (865, 23982), (1038, 19985), (1142, 18165), (1211, 17130), (1713, 12110), (1730, 11991), (2422, 8565), (2595, 7994), (2855, 7266), (3426, 6055), (3633, 5710), (3997, 5190)]