20611110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1353

約数の個数: 64

約数和(自身を含む): 54613440

約数和(自身を除く): 34002330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1289, 1599, 2578, 2665, 3198, 3867, 5330, 6445, 7734, 7995, 12890, 15990, 16757, 19335, 33514, 38670, 50271, 52849, 83785, 100542, 105698, 158547, 167570, 251355, 264245, 317094, 502710, 528490, 687037, 792735, 1374074, 1585470, 2061111, 3435185, 4122222, 6870370, 10305555, 20611110]

約数ペア:

[(1, 20611110), (2, 10305555), (3, 6870370), (5, 4122222), (6, 3435185), (10, 2061111), (13, 1585470), (15, 1374074), (26, 792735), (30, 687037), (39, 528490), (41, 502710), (65, 317094), (78, 264245), (82, 251355), (123, 167570), (130, 158547), (195, 105698), (205, 100542), (246, 83785), (390, 52849), (410, 50271), (533, 38670), (615, 33514), (1066, 19335), (1230, 16757), (1289, 15990), (1599, 12890), (2578, 7995), (2665, 7734), (3198, 6445), (3867, 5330)]