20178621762

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1\times {\mathrm{2909}}^1$

素因数の和:3827

約数の個数: 64

約数和(自身を含む): 43917068160

約数和(自身を除く): 23738446398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 113, 226, 339, 678, 787, 1469, 1574, 2361, 2909, 2938, 4407, 4722, 5818, 8727, 8814, 10231, 17454, 20462, 30693, 37817, 61386, 75634, 88931, 113451, 177862, 226902, 266793, 328717, 533586, 657434, 986151, 1156103, 1972302, 2289383, 2312206, 3468309, 4273321, 4578766, 6868149, 6936618, 8546642, 12819963, 13736298, 25639926, 29761979, 59523958, 89285937, 178571874, 258700279, 517400558, 776100837, 1552201674, 3363103627, 6726207254, 10089310881, 20178621762]

約数ペア:

[(1, 20178621762), (2, 10089310881), (3, 6726207254), (6, 3363103627), (13, 1552201674), (26, 776100837), (39, 517400558), (78, 258700279), (113, 178571874), (226, 89285937), (339, 59523958), (678, 29761979), (787, 25639926), (1469, 13736298), (1574, 12819963), (2361, 8546642), (2909, 6936618), (2938, 6868149), (4407, 4578766), (4722, 4273321), (5818, 3468309), (8727, 2312206), (8814, 2289383), (10231, 1972302), (17454, 1156103), (20462, 986151), (30693, 657434), (37817, 533586), (61386, 328717), (75634, 266793), (88931, 226902), (113451, 177862)]