20209888916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1\times {\mathrm{37501}}^1$

素因数の和:38544

約数の個数: 48

約数和(自身を含む): 42590271360

約数和(自身を除く): 22380382444

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1013, 2026, 4052, 7091, 14182, 19247, 28364, 37501, 38494, 75002, 76988, 134729, 150004, 262507, 269458, 525014, 538916, 712519, 1050028, 1425038, 2850076, 4987633, 9975266, 19950532, 37988513, 75977026, 151954052, 265919591, 531839182, 721781747, 1063678364, 1443563494, 2887126988, 5052472229, 10104944458, 20209888916]

約数ペア:

[(1, 20209888916), (2, 10104944458), (4, 5052472229), (7, 2887126988), (14, 1443563494), (19, 1063678364), (28, 721781747), (38, 531839182), (76, 265919591), (133, 151954052), (266, 75977026), (532, 37988513), (1013, 19950532), (2026, 9975266), (4052, 4987633), (7091, 2850076), (14182, 1425038), (19247, 1050028), (28364, 712519), (37501, 538916), (38494, 525014), (75002, 269458), (76988, 262507), (134729, 150004)]