20890316210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1\times {\mathrm{1151}}^1$

素因数の和:1859

約数の個数: 64

約数和(自身を含む): 40104751104

約数和(自身を除く): 19214434894

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 443, 482, 886, 1151, 1205, 2215, 2302, 2410, 4097, 4430, 5755, 7531, 8194, 11510, 15062, 19567, 20485, 37655, 39134, 40970, 75310, 97835, 106763, 195670, 213526, 277391, 509893, 533815, 554782, 1019786, 1067630, 1386955, 1814971, 2549465, 2773910, 3629942, 4715647, 5098930, 8668181, 9074855, 9431294, 17336362, 18149710, 23578235, 43340905, 47156470, 86681810, 122884213, 245768426, 614421065, 1228842130, 2089031621, 4178063242, 10445158105, 20890316210]

約数ペア:

[(1, 20890316210), (2, 10445158105), (5, 4178063242), (10, 2089031621), (17, 1228842130), (34, 614421065), (85, 245768426), (170, 122884213), (241, 86681810), (443, 47156470), (482, 43340905), (886, 23578235), (1151, 18149710), (1205, 17336362), (2215, 9431294), (2302, 9074855), (2410, 8668181), (4097, 5098930), (4430, 4715647), (5755, 3629942), (7531, 2773910), (8194, 2549465), (11510, 1814971), (15062, 1386955), (19567, 1067630), (20485, 1019786), (37655, 554782), (39134, 533815), (40970, 509893), (75310, 277391), (97835, 213526), (106763, 195670)]