20156780910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{897053}}^1$

素因数の和:897177

約数の個数: 64

約数和(自身を含む): 55803935232

約数和(自身を除く): 35647154322

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1498, 1605, 2247, 3210, 3745, 4494, 7490, 11235, 22470, 897053, 1794106, 2691159, 4485265, 5382318, 6279371, 8970530, 12558742, 13455795, 18838113, 26911590, 31396855, 37676226, 62793710, 94190565, 95984671, 188381130, 191969342, 287954013, 479923355, 575908026, 671892697, 959846710, 1343785394, 1439770065, 2015678091, 2879540130, 3359463485, 4031356182, 6718926970, 10078390455, 20156780910]

約数ペア:

[(1, 20156780910), (2, 10078390455), (3, 6718926970), (5, 4031356182), (6, 3359463485), (7, 2879540130), (10, 2015678091), (14, 1439770065), (15, 1343785394), (21, 959846710), (30, 671892697), (35, 575908026), (42, 479923355), (70, 287954013), (105, 191969342), (107, 188381130), (210, 95984671), (214, 94190565), (321, 62793710), (535, 37676226), (642, 31396855), (749, 26911590), (1070, 18838113), (1498, 13455795), (1605, 12558742), (2247, 8970530), (3210, 6279371), (3745, 5382318), (4494, 4485265), (7490, 2691159), (11235, 1794106), (22470, 897053)]