20201237030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1\times {\mathrm{2333}}^1$

素因数の和:3945

約数の個数: 64

約数和(自身を含む): 40113057600

約数和(自身を除く): 19911820570

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 1549, 2333, 2795, 3098, 4666, 5590, 7745, 11665, 15490, 20137, 23330, 30329, 40274, 60658, 66607, 100319, 100685, 133214, 151645, 200638, 201370, 303290, 333035, 501595, 666070, 865891, 1003190, 1304147, 1731782, 2608294, 3613817, 4329455, 6520735, 7227634, 8658910, 13041470, 18069085, 36138170, 46979621, 93959242, 155394131, 234898105, 310788262, 469796210, 776970655, 1553941310, 2020123703, 4040247406, 10100618515, 20201237030]

約数ペア:

[(1, 20201237030), (2, 10100618515), (5, 4040247406), (10, 2020123703), (13, 1553941310), (26, 776970655), (43, 469796210), (65, 310788262), (86, 234898105), (130, 155394131), (215, 93959242), (430, 46979621), (559, 36138170), (1118, 18069085), (1549, 13041470), (2333, 8658910), (2795, 7227634), (3098, 6520735), (4666, 4329455), (5590, 3613817), (7745, 2608294), (11665, 1731782), (15490, 1304147), (20137, 1003190), (23330, 865891), (30329, 666070), (40274, 501595), (60658, 333035), (66607, 303290), (100319, 201370), (100685, 200638), (133214, 151645)]