20158060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 48996864

約数和(自身を除く): 28838804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 61, 62, 65, 82, 122, 124, 130, 155, 164, 205, 244, 260, 305, 310, 403, 410, 533, 610, 620, 793, 806, 820, 1066, 1220, 1271, 1586, 1612, 1891, 2015, 2132, 2501, 2542, 2665, 3172, 3782, 3965, 4030, 5002, 5084, 5330, 6355, 7564, 7930, 8060, 9455, 10004, 10660, 12505, 12710, 15860, 16523, 18910, 24583, 25010, 25420, 32513, 33046, 37820, 49166, 50020, 65026, 66092, 77531, 82615, 98332, 122915, 130052, 155062, 162565, 165230, 245830, 310124, 325130, 330460, 387655, 491660, 650260, 775310, 1007903, 1550620, 2015806, 4031612, 5039515, 10079030, 20158060]

約数ペア:

[(1, 20158060), (2, 10079030), (4, 5039515), (5, 4031612), (10, 2015806), (13, 1550620), (20, 1007903), (26, 775310), (31, 650260), (41, 491660), (52, 387655), (61, 330460), (62, 325130), (65, 310124), (82, 245830), (122, 165230), (124, 162565), (130, 155062), (155, 130052), (164, 122915), (205, 98332), (244, 82615), (260, 77531), (305, 66092), (310, 65026), (403, 50020), (410, 49166), (533, 37820), (610, 33046), (620, 32513), (793, 25420), (806, 25010), (820, 24583), (1066, 18910), (1220, 16523), (1271, 15860), (1586, 12710), (1612, 12505), (1891, 10660), (2015, 10004), (2132, 9455), (2501, 8060), (2542, 7930), (2665, 7564), (3172, 6355), (3782, 5330), (3965, 5084), (4030, 5002)]