20158906460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{184369}}^1$

素因数の和:184467

約数の個数: 96

約数和(自身を含む): 53523348480

約数和(自身を除く): 33364442020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2485, 3124, 3905, 4970, 5467, 7810, 9940, 10934, 15620, 21868, 27335, 54670, 109340, 184369, 368738, 737476, 921845, 1290583, 1843690, 2028059, 2581166, 3687380, 4056118, 5162332, 6452915, 8112236, 10140295, 12905830, 13090199, 14196413, 20280590, 25811660, 26180398, 28392826, 40561180, 52360796, 56785652, 65450995, 70982065, 91631393, 130901990, 141964130, 143992189, 183262786, 261803980, 283928260, 287984378, 366525572, 458156965, 575968756, 719960945, 916313930, 1007945323, 1439921890, 1832627860, 2015890646, 2879843780, 4031781292, 5039726615, 10079453230, 20158906460]

約数ペア:

[(1, 20158906460), (2, 10079453230), (4, 5039726615), (5, 4031781292), (7, 2879843780), (10, 2015890646), (11, 1832627860), (14, 1439921890), (20, 1007945323), (22, 916313930), (28, 719960945), (35, 575968756), (44, 458156965), (55, 366525572), (70, 287984378), (71, 283928260), (77, 261803980), (110, 183262786), (140, 143992189), (142, 141964130), (154, 130901990), (220, 91631393), (284, 70982065), (308, 65450995), (355, 56785652), (385, 52360796), (497, 40561180), (710, 28392826), (770, 26180398), (781, 25811660), (994, 20280590), (1420, 14196413), (1540, 13090199), (1562, 12905830), (1988, 10140295), (2485, 8112236), (3124, 6452915), (3905, 5162332), (4970, 4056118), (5467, 3687380), (7810, 2581166), (9940, 2028059), (10934, 1843690), (15620, 1290583), (21868, 921845), (27335, 737476), (54670, 368738), (109340, 184369)]