20961503460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38817599}}^1$

素因数の和:38817617

約数の個数: 48

約数和(自身を含む): 65213568000

約数和(自身を除く): 44252064540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38817599, 77635198, 116452797, 155270396, 194087995, 232905594, 349358391, 388175990, 465811188, 582263985, 698716782, 776351980, 1048075173, 1164527970, 1397433564, 1746791955, 2096150346, 2329055940, 3493583910, 4192300692, 5240375865, 6987167820, 10480751730, 20961503460]

約数ペア:

[(1, 20961503460), (2, 10480751730), (3, 6987167820), (4, 5240375865), (5, 4192300692), (6, 3493583910), (9, 2329055940), (10, 2096150346), (12, 1746791955), (15, 1397433564), (18, 1164527970), (20, 1048075173), (27, 776351980), (30, 698716782), (36, 582263985), (45, 465811188), (54, 388175990), (60, 349358391), (90, 232905594), (108, 194087995), (135, 155270396), (180, 116452797), (270, 77635198), (540, 38817599)]