20512120668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1\times {\mathrm{3541}}^1$

素因数の和:4155

約数の個数: 96

約数和(自身を含む): 52383969792

約数和(自身を除く): 31871849124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 523, 852, 923, 1046, 1569, 1846, 2092, 2769, 3138, 3541, 3692, 5538, 6276, 6799, 7082, 10623, 11076, 13598, 14164, 20397, 21246, 27196, 37133, 40794, 42492, 46033, 74266, 81588, 92066, 111399, 138099, 148532, 184132, 222798, 251411, 276198, 445596, 482729, 502822, 552396, 754233, 965458, 1005644, 1448187, 1508466, 1851943, 1930916, 2896374, 3016932, 3268343, 3703886, 5555829, 5792748, 6536686, 7407772, 9805029, 11111658, 13073372, 19610058, 22223316, 24075259, 39220116, 48150518, 72225777, 96301036, 131487953, 144451554, 262975906, 288903108, 394463859, 525951812, 788927718, 1577855436, 1709343389, 3418686778, 5128030167, 6837373556, 10256060334, 20512120668]

約数ペア:

[(1, 20512120668), (2, 10256060334), (3, 6837373556), (4, 5128030167), (6, 3418686778), (12, 1709343389), (13, 1577855436), (26, 788927718), (39, 525951812), (52, 394463859), (71, 288903108), (78, 262975906), (142, 144451554), (156, 131487953), (213, 96301036), (284, 72225777), (426, 48150518), (523, 39220116), (852, 24075259), (923, 22223316), (1046, 19610058), (1569, 13073372), (1846, 11111658), (2092, 9805029), (2769, 7407772), (3138, 6536686), (3541, 5792748), (3692, 5555829), (5538, 3703886), (6276, 3268343), (6799, 3016932), (7082, 2896374), (10623, 1930916), (11076, 1851943), (13598, 1508466), (14164, 1448187), (20397, 1005644), (21246, 965458), (27196, 754233), (37133, 552396), (40794, 502822), (42492, 482729), (46033, 445596), (74266, 276198), (81588, 251411), (92066, 222798), (111399, 184132), (138099, 148532)]