20197385008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{8467}}^1$

素因数の和:8654

約数の個数: 80

約数和(自身を含む): 41675770080

約数和(自身を除く): 21478385072

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 97, 106, 116, 194, 212, 232, 388, 424, 464, 776, 848, 1537, 1552, 2813, 3074, 5141, 5626, 6148, 8467, 10282, 11252, 12296, 16934, 20564, 22504, 24592, 33868, 41128, 45008, 67736, 82256, 135472, 149089, 245543, 298178, 448751, 491086, 596356, 821299, 897502, 982172, 1192712, 1642598, 1795004, 1964344, 2385424, 3285196, 3590008, 3928688, 6570392, 7180016, 13013779, 13140784, 23817671, 26027558, 43528847, 47635342, 52055116, 87057694, 95270684, 104110232, 174115388, 190541368, 208220464, 348230776, 381082736, 696461552, 1262336563, 2524673126, 5049346252, 10098692504, 20197385008]

約数ペア:

[(1, 20197385008), (2, 10098692504), (4, 5049346252), (8, 2524673126), (16, 1262336563), (29, 696461552), (53, 381082736), (58, 348230776), (97, 208220464), (106, 190541368), (116, 174115388), (194, 104110232), (212, 95270684), (232, 87057694), (388, 52055116), (424, 47635342), (464, 43528847), (776, 26027558), (848, 23817671), (1537, 13140784), (1552, 13013779), (2813, 7180016), (3074, 6570392), (5141, 3928688), (5626, 3590008), (6148, 3285196), (8467, 2385424), (10282, 1964344), (11252, 1795004), (12296, 1642598), (16934, 1192712), (20564, 982172), (22504, 897502), (24592, 821299), (33868, 596356), (41128, 491086), (45008, 448751), (67736, 298178), (82256, 245543), (135472, 149089)]