20406280316

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1\times {\mathrm{659}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 36530524800

約数和(自身を除く): 16124244484

約数列:

[1, 2, 4, 67, 134, 227, 268, 454, 509, 659, 908, 1018, 1318, 2036, 2636, 15209, 30418, 34103, 44153, 60836, 68206, 88306, 115543, 136412, 149593, 176612, 231086, 299186, 335431, 462172, 598372, 670862, 1341724, 7741381, 10022731, 15482762, 20045462, 22473877, 30965524, 40090924, 44947754, 76142837, 89895508, 152285674, 304571348, 5101570079, 10203140158, 20406280316]

約数ペア:

[(1, 20406280316), (2, 10203140158), (4, 5101570079), (67, 304571348), (134, 152285674), (227, 89895508), (268, 76142837), (454, 44947754), (509, 40090924), (659, 30965524), (908, 22473877), (1018, 20045462), (1318, 15482762), (2036, 10022731), (2636, 7741381), (15209, 1341724), (30418, 670862), (34103, 598372), (44153, 462172), (60836, 335431), (68206, 299186), (88306, 231086), (115543, 176612), (136412, 149593)]