20851566360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1066031}}^1$

素因数の和:1066208

約数の個数: 64

約数和(自身を含む): 62938529280

約数和(自身を除く): 42086962920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 19560, 1066031, 2132062, 3198093, 4264124, 5330155, 6396186, 8528248, 10660310, 12792372, 15990465, 21320620, 25584744, 31980930, 42641240, 63961860, 127923720, 173763053, 347526106, 521289159, 695052212, 868815265, 1042578318, 1390104424, 1737630530, 2085156636, 2606445795, 3475261060, 4170313272, 5212891590, 6950522120, 10425783180, 20851566360]

約数ペア:

[(1, 20851566360), (2, 10425783180), (3, 6950522120), (4, 5212891590), (5, 4170313272), (6, 3475261060), (8, 2606445795), (10, 2085156636), (12, 1737630530), (15, 1390104424), (20, 1042578318), (24, 868815265), (30, 695052212), (40, 521289159), (60, 347526106), (120, 173763053), (163, 127923720), (326, 63961860), (489, 42641240), (652, 31980930), (815, 25584744), (978, 21320620), (1304, 15990465), (1630, 12792372), (1956, 10660310), (2445, 8528248), (3260, 6396186), (3912, 5330155), (4890, 4264124), (6520, 3198093), (9780, 2132062), (19560, 1066031)]