20155132

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 19029860

約数列:

[1, 2, 4, 17, 34, 43, 61, 68, 86, 113, 122, 172, 226, 244, 452, 731, 1037, 1462, 1921, 2074, 2623, 2924, 3842, 4148, 4859, 5246, 6893, 7684, 9718, 10492, 13786, 19436, 27572, 44591, 82603, 89182, 117181, 165206, 178364, 234362, 296399, 330412, 468724, 592798, 1185596, 5038783, 10077566, 20155132]

約数ペア:

[(1, 20155132), (2, 10077566), (4, 5038783), (17, 1185596), (34, 592798), (43, 468724), (61, 330412), (68, 296399), (86, 234362), (113, 178364), (122, 165206), (172, 117181), (226, 89182), (244, 82603), (452, 44591), (731, 27572), (1037, 19436), (1462, 13786), (1921, 10492), (2074, 9718), (2623, 7684), (2924, 6893), (3842, 5246), (4148, 4859)]