20212410480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{86201}}^1$

素因数の和:87194

約数の個数: 80

約数和(自身を含む): 62723333664

約数和(自身を除く): 42510923184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 977, 1954, 2931, 3908, 4885, 5862, 7816, 9770, 11724, 14655, 15632, 19540, 23448, 29310, 39080, 46896, 58620, 78160, 86201, 117240, 172402, 234480, 258603, 344804, 431005, 517206, 689608, 862010, 1034412, 1293015, 1379216, 1724020, 2068824, 2586030, 3448040, 4137648, 5172060, 6896080, 10344120, 20688240, 84218377, 168436754, 252655131, 336873508, 421091885, 505310262, 673747016, 842183770, 1010620524, 1263275655, 1347494032, 1684367540, 2021241048, 2526551310, 3368735080, 4042482096, 5053102620, 6737470160, 10106205240, 20212410480]

約数ペア:

[(1, 20212410480), (2, 10106205240), (3, 6737470160), (4, 5053102620), (5, 4042482096), (6, 3368735080), (8, 2526551310), (10, 2021241048), (12, 1684367540), (15, 1347494032), (16, 1263275655), (20, 1010620524), (24, 842183770), (30, 673747016), (40, 505310262), (48, 421091885), (60, 336873508), (80, 252655131), (120, 168436754), (240, 84218377), (977, 20688240), (1954, 10344120), (2931, 6896080), (3908, 5172060), (4885, 4137648), (5862, 3448040), (7816, 2586030), (9770, 2068824), (11724, 1724020), (14655, 1379216), (15632, 1293015), (19540, 1034412), (23448, 862010), (29310, 689608), (39080, 517206), (46896, 431005), (58620, 344804), (78160, 258603), (86201, 234480), (117240, 172402)]