20218620021

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1\times {\mathrm{1201}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 27527915520

約数和(自身を除く): 7309295499

約数列:

[1, 3, 79, 237, 251, 283, 753, 849, 1201, 3603, 19829, 22357, 59487, 67071, 71033, 94879, 213099, 284637, 301451, 339883, 904353, 1019649, 5611607, 16834821, 23814629, 26850757, 71443887, 80552271, 85310633, 255931899, 6739540007, 20218620021]

約数ペア:

[(1, 20218620021), (3, 6739540007), (79, 255931899), (237, 85310633), (251, 80552271), (283, 71443887), (753, 26850757), (849, 23814629), (1201, 16834821), (3603, 5611607), (19829, 1019649), (22357, 904353), (59487, 339883), (67071, 301451), (71033, 284637), (94879, 213099)]