20441710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 41140224

約数和(自身を除く): 20698514

約数列:

[1, 2, 5, 10, 23, 31, 46, 47, 61, 62, 94, 115, 122, 155, 230, 235, 305, 310, 470, 610, 713, 1081, 1403, 1426, 1457, 1891, 2162, 2806, 2867, 2914, 3565, 3782, 5405, 5734, 7015, 7130, 7285, 9455, 10810, 14030, 14335, 14570, 18910, 28670, 33511, 43493, 65941, 67022, 86986, 88877, 131882, 167555, 177754, 217465, 329705, 335110, 434930, 444385, 659410, 888770, 2044171, 4088342, 10220855, 20441710]

約数ペア:

[(1, 20441710), (2, 10220855), (5, 4088342), (10, 2044171), (23, 888770), (31, 659410), (46, 444385), (47, 434930), (61, 335110), (62, 329705), (94, 217465), (115, 177754), (122, 167555), (155, 131882), (230, 88877), (235, 86986), (305, 67022), (310, 65941), (470, 43493), (610, 33511), (713, 28670), (1081, 18910), (1403, 14570), (1426, 14335), (1457, 14030), (1891, 10810), (2162, 9455), (2806, 7285), (2867, 7130), (2914, 7015), (3565, 5734), (3782, 5405)]