20525190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2273}}^1$

素因数の和:2333

約数の個数: 64

約数和(自身を含む): 57632256

約数和(自身を除く): 37107066

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2273, 3010, 4515, 4546, 6819, 9030, 11365, 13638, 15911, 22730, 31822, 34095, 47733, 68190, 79555, 95466, 97739, 159110, 195478, 238665, 293217, 477330, 488695, 586434, 684173, 977390, 1368346, 1466085, 2052519, 2932170, 3420865, 4105038, 6841730, 10262595, 20525190]

約数ペア:

[(1, 20525190), (2, 10262595), (3, 6841730), (5, 4105038), (6, 3420865), (7, 2932170), (10, 2052519), (14, 1466085), (15, 1368346), (21, 977390), (30, 684173), (35, 586434), (42, 488695), (43, 477330), (70, 293217), (86, 238665), (105, 195478), (129, 159110), (210, 97739), (215, 95466), (258, 79555), (301, 68190), (430, 47733), (602, 34095), (645, 31822), (903, 22730), (1290, 15911), (1505, 13638), (1806, 11365), (2273, 9030), (3010, 6819), (4515, 4546)]