20986830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4126

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 37937970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4091, 5130, 8182, 12273, 20455, 24546, 36819, 40910, 61365, 73638, 77729, 110457, 122730, 155458, 184095, 220914, 233187, 368190, 388645, 466374, 552285, 699561, 777290, 1104570, 1165935, 1399122, 2098683, 2331870, 3497805, 4197366, 6995610, 10493415, 20986830]

約数ペア:

[(1, 20986830), (2, 10493415), (3, 6995610), (5, 4197366), (6, 3497805), (9, 2331870), (10, 2098683), (15, 1399122), (18, 1165935), (19, 1104570), (27, 777290), (30, 699561), (38, 552285), (45, 466374), (54, 388645), (57, 368190), (90, 233187), (95, 220914), (114, 184095), (135, 155458), (171, 122730), (190, 110457), (270, 77729), (285, 73638), (342, 61365), (513, 40910), (570, 36819), (855, 24546), (1026, 20455), (1710, 12273), (2565, 8182), (4091, 5130)]