20977080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5639}}^1$

素因数の和:5684

約数の個数: 64

約数和(自身を含む): 64972800

約数和(自身を除く): 43995720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5639, 11278, 16917, 22556, 28195, 33834, 45112, 56390, 67668, 84585, 112780, 135336, 169170, 174809, 225560, 338340, 349618, 524427, 676680, 699236, 874045, 1048854, 1398472, 1748090, 2097708, 2622135, 3496180, 4195416, 5244270, 6992360, 10488540, 20977080]

約数ペア:

[(1, 20977080), (2, 10488540), (3, 6992360), (4, 5244270), (5, 4195416), (6, 3496180), (8, 2622135), (10, 2097708), (12, 1748090), (15, 1398472), (20, 1048854), (24, 874045), (30, 699236), (31, 676680), (40, 524427), (60, 349618), (62, 338340), (93, 225560), (120, 174809), (124, 169170), (155, 135336), (186, 112780), (248, 84585), (310, 67668), (372, 56390), (465, 45112), (620, 33834), (744, 28195), (930, 22556), (1240, 16917), (1860, 11278), (3720, 5639)]