20172511016

素因数分解:

$2^3\times 7^1\times {\mathrm{641}}^1\times {\mathrm{727}}^1\times {\mathrm{773}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 43409882880

約数和(自身を除く): 23237371864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 641, 727, 773, 1282, 1454, 1546, 2564, 2908, 3092, 4487, 5089, 5128, 5411, 5816, 6184, 8974, 10178, 10822, 17948, 20356, 21644, 35896, 40712, 43288, 466007, 495493, 561971, 932014, 990986, 1123942, 1864028, 1981972, 2247884, 3262049, 3468451, 3728056, 3933797, 3963944, 4495768, 6524098, 6936902, 7867594, 13048196, 13873804, 15735188, 26096392, 27747608, 31470376, 360223411, 720446822, 1440893644, 2521563877, 2881787288, 5043127754, 10086255508, 20172511016]

約数ペア:

[(1, 20172511016), (2, 10086255508), (4, 5043127754), (7, 2881787288), (8, 2521563877), (14, 1440893644), (28, 720446822), (56, 360223411), (641, 31470376), (727, 27747608), (773, 26096392), (1282, 15735188), (1454, 13873804), (1546, 13048196), (2564, 7867594), (2908, 6936902), (3092, 6524098), (4487, 4495768), (5089, 3963944), (5128, 3933797), (5411, 3728056), (5816, 3468451), (6184, 3262049), (8974, 2247884), (10178, 1981972), (10822, 1864028), (17948, 1123942), (20356, 990986), (21644, 932014), (35896, 561971), (40712, 495493), (43288, 466007)]