20179027780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{4211}}^1$

素因数の和:4441

約数の個数: 96

約数和(自身を含む): 44834549760

約数和(自身を除く): 24655521980

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 131, 155, 236, 262, 295, 310, 524, 590, 620, 655, 1180, 1310, 1829, 2620, 3658, 4061, 4211, 7316, 7729, 8122, 8422, 9145, 15458, 16244, 16844, 18290, 20305, 21055, 30916, 36580, 38645, 40610, 42110, 77290, 81220, 84220, 130541, 154580, 239599, 248449, 261082, 479198, 496898, 522164, 551641, 652705, 958396, 993796, 1103282, 1197995, 1242245, 1305410, 2206564, 2395990, 2484490, 2610820, 2758205, 4791980, 4968980, 5516410, 7701919, 11032820, 15403838, 17100871, 30807676, 32546819, 34201742, 38509595, 65093638, 68403484, 77019190, 85504355, 130187276, 154038380, 162734095, 171008710, 325468190, 342017420, 650936380, 1008951389, 2017902778, 4035805556, 5044756945, 10089513890, 20179027780]

約数ペア:

[(1, 20179027780), (2, 10089513890), (4, 5044756945), (5, 4035805556), (10, 2017902778), (20, 1008951389), (31, 650936380), (59, 342017420), (62, 325468190), (118, 171008710), (124, 162734095), (131, 154038380), (155, 130187276), (236, 85504355), (262, 77019190), (295, 68403484), (310, 65093638), (524, 38509595), (590, 34201742), (620, 32546819), (655, 30807676), (1180, 17100871), (1310, 15403838), (1829, 11032820), (2620, 7701919), (3658, 5516410), (4061, 4968980), (4211, 4791980), (7316, 2758205), (7729, 2610820), (8122, 2484490), (8422, 2395990), (9145, 2206564), (15458, 1305410), (16244, 1242245), (16844, 1197995), (18290, 1103282), (20305, 993796), (21055, 958396), (30916, 652705), (36580, 551641), (38645, 522164), (40610, 496898), (42110, 479198), (77290, 261082), (81220, 248449), (84220, 239599), (130541, 154580)]