20445791640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{187027}}^1$

素因数の和:187952

約数の個数: 64

約数和(自身を含む): 61405032960

約数和(自身を除く): 40959241320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 911, 1822, 2733, 3644, 4555, 5466, 7288, 9110, 10932, 13665, 18220, 21864, 27330, 36440, 54660, 109320, 187027, 374054, 561081, 748108, 935135, 1122162, 1496216, 1870270, 2244324, 2805405, 3740540, 4488648, 5610810, 7481080, 11221620, 22443240, 170381597, 340763194, 511144791, 681526388, 851907985, 1022289582, 1363052776, 1703815970, 2044579164, 2555723955, 3407631940, 4089158328, 5111447910, 6815263880, 10222895820, 20445791640]

約数ペア:

[(1, 20445791640), (2, 10222895820), (3, 6815263880), (4, 5111447910), (5, 4089158328), (6, 3407631940), (8, 2555723955), (10, 2044579164), (12, 1703815970), (15, 1363052776), (20, 1022289582), (24, 851907985), (30, 681526388), (40, 511144791), (60, 340763194), (120, 170381597), (911, 22443240), (1822, 11221620), (2733, 7481080), (3644, 5610810), (4555, 4488648), (5466, 3740540), (7288, 2805405), (9110, 2244324), (10932, 1870270), (13665, 1496216), (18220, 1122162), (21864, 935135), (27330, 748108), (36440, 561081), (54660, 374054), (109320, 187027)]