20566920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15581}}^1$

素因数の和:15606

約数の個数: 64

約数和(自身を含む): 67314240

約数和(自身を除く): 46747320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15581, 31162, 46743, 62324, 77905, 93486, 124648, 155810, 171391, 186972, 233715, 311620, 342782, 373944, 467430, 514173, 623240, 685564, 856955, 934860, 1028346, 1371128, 1713910, 1869720, 2056692, 2570865, 3427820, 4113384, 5141730, 6855640, 10283460, 20566920]

約数ペア:

[(1, 20566920), (2, 10283460), (3, 6855640), (4, 5141730), (5, 4113384), (6, 3427820), (8, 2570865), (10, 2056692), (11, 1869720), (12, 1713910), (15, 1371128), (20, 1028346), (22, 934860), (24, 856955), (30, 685564), (33, 623240), (40, 514173), (44, 467430), (55, 373944), (60, 342782), (66, 311620), (88, 233715), (110, 186972), (120, 171391), (132, 155810), (165, 124648), (220, 93486), (264, 77905), (330, 62324), (440, 46743), (660, 31162), (1320, 15581)]