20182678360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{90053}}^1$

素因数の和:90508

約数の個数: 64

約数和(自身を含む): 49018193280

約数和(自身を除く): 28835514920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 431, 520, 862, 1724, 2155, 3448, 4310, 5603, 8620, 11206, 17240, 22412, 28015, 44824, 56030, 90053, 112060, 180106, 224120, 360212, 450265, 720424, 900530, 1170689, 1801060, 2341378, 3602120, 4682756, 5853445, 9365512, 11706890, 23413780, 38812843, 46827560, 77625686, 155251372, 194064215, 310502744, 388128430, 504566959, 776256860, 1009133918, 1552513720, 2018267836, 2522834795, 4036535672, 5045669590, 10091339180, 20182678360]

約数ペア:

[(1, 20182678360), (2, 10091339180), (4, 5045669590), (5, 4036535672), (8, 2522834795), (10, 2018267836), (13, 1552513720), (20, 1009133918), (26, 776256860), (40, 504566959), (52, 388128430), (65, 310502744), (104, 194064215), (130, 155251372), (260, 77625686), (431, 46827560), (520, 38812843), (862, 23413780), (1724, 11706890), (2155, 9365512), (3448, 5853445), (4310, 4682756), (5603, 3602120), (8620, 2341378), (11206, 1801060), (17240, 1170689), (22412, 900530), (28015, 720424), (44824, 450265), (56030, 360212), (90053, 224120), (112060, 180106)]