20565207536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{3079}}^1$

素因数の和:3406

約数の個数: 80

約数和(自身を含む): 42530611200

約数和(自身を除く): 21965403664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 127, 152, 173, 254, 304, 346, 508, 692, 1016, 1384, 2032, 2413, 2768, 3079, 3287, 4826, 6158, 6574, 9652, 12316, 13148, 19304, 21971, 24632, 26296, 38608, 43942, 49264, 52592, 58501, 87884, 117002, 175768, 234004, 351536, 391033, 417449, 468008, 532667, 782066, 834898, 936016, 1065334, 1564132, 1669796, 2130668, 3128264, 3339592, 4261336, 6256528, 6679184, 7429627, 8522672, 10120673, 14859254, 20241346, 29718508, 40482692, 59437016, 67648709, 80965384, 118874032, 135297418, 161930768, 270594836, 541189672, 1082379344, 1285325471, 2570650942, 5141301884, 10282603768, 20565207536]

約数ペア:

[(1, 20565207536), (2, 10282603768), (4, 5141301884), (8, 2570650942), (16, 1285325471), (19, 1082379344), (38, 541189672), (76, 270594836), (127, 161930768), (152, 135297418), (173, 118874032), (254, 80965384), (304, 67648709), (346, 59437016), (508, 40482692), (692, 29718508), (1016, 20241346), (1384, 14859254), (2032, 10120673), (2413, 8522672), (2768, 7429627), (3079, 6679184), (3287, 6256528), (4826, 4261336), (6158, 3339592), (6574, 3128264), (9652, 2130668), (12316, 1669796), (13148, 1564132), (19304, 1065334), (21971, 936016), (24632, 834898), (26296, 782066), (38608, 532667), (43942, 468008), (49264, 417449), (52592, 391033), (58501, 351536), (87884, 234004), (117002, 175768)]