20196816

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 56407104

約数和(自身を除く): 36210288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 53, 68, 102, 106, 136, 159, 204, 212, 272, 318, 408, 424, 467, 636, 816, 848, 901, 934, 1272, 1401, 1802, 1868, 2544, 2703, 2802, 3604, 3736, 5406, 5604, 7208, 7472, 7939, 10812, 11208, 14416, 15878, 21624, 22416, 23817, 24751, 31756, 43248, 47634, 49502, 63512, 74253, 95268, 99004, 127024, 148506, 190536, 198008, 297012, 381072, 396016, 420767, 594024, 841534, 1188048, 1262301, 1683068, 2524602, 3366136, 5049204, 6732272, 10098408, 20196816]

約数ペア:

[(1, 20196816), (2, 10098408), (3, 6732272), (4, 5049204), (6, 3366136), (8, 2524602), (12, 1683068), (16, 1262301), (17, 1188048), (24, 841534), (34, 594024), (48, 420767), (51, 396016), (53, 381072), (68, 297012), (102, 198008), (106, 190536), (136, 148506), (159, 127024), (204, 99004), (212, 95268), (272, 74253), (318, 63512), (408, 49502), (424, 47634), (467, 43248), (636, 31756), (816, 24751), (848, 23817), (901, 22416), (934, 21624), (1272, 15878), (1401, 14416), (1802, 11208), (1868, 10812), (2544, 7939), (2703, 7472), (2802, 7208), (3604, 5604), (3736, 5406)]