20216398936

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{4003}}^1$

素因数の和:4280

約数の個数: 64

約数和(自身を含む): 39322483200

約数和(自身を除く): 19106084264

約数列:

[1, 2, 4, 8, 61, 79, 122, 131, 158, 244, 262, 316, 488, 524, 632, 1048, 4003, 4819, 7991, 8006, 9638, 10349, 15982, 16012, 19276, 20698, 31964, 32024, 38552, 41396, 63928, 82792, 244183, 316237, 488366, 524393, 631289, 632474, 976732, 1048786, 1262578, 1264948, 1953464, 2097572, 2525156, 2529896, 4195144, 5050312, 19290457, 31987973, 38580914, 41427047, 63975946, 77161828, 82854094, 127951892, 154323656, 165708188, 255903784, 331416376, 2527049867, 5054099734, 10108199468, 20216398936]

約数ペア:

[(1, 20216398936), (2, 10108199468), (4, 5054099734), (8, 2527049867), (61, 331416376), (79, 255903784), (122, 165708188), (131, 154323656), (158, 127951892), (244, 82854094), (262, 77161828), (316, 63975946), (488, 41427047), (524, 38580914), (632, 31987973), (1048, 19290457), (4003, 5050312), (4819, 4195144), (7991, 2529896), (8006, 2525156), (9638, 2097572), (10349, 1953464), (15982, 1264948), (16012, 1262578), (19276, 1048786), (20698, 976732), (31964, 632474), (32024, 631289), (38552, 524393), (41396, 488366), (63928, 316237), (82792, 244183)]