20484048

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1972

約数の個数: 80

約数和(自身を含む): 60371136

約数和(自身を除く): 39887088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1931, 2652, 3536, 3862, 5304, 5793, 7724, 10608, 11586, 15448, 23172, 25103, 30896, 32827, 46344, 50206, 65654, 75309, 92688, 98481, 100412, 131308, 150618, 196962, 200824, 262616, 301236, 393924, 401648, 426751, 525232, 602472, 787848, 853502, 1204944, 1280253, 1575696, 1707004, 2560506, 3414008, 5121012, 6828016, 10242024, 20484048]

約数ペア:

[(1, 20484048), (2, 10242024), (3, 6828016), (4, 5121012), (6, 3414008), (8, 2560506), (12, 1707004), (13, 1575696), (16, 1280253), (17, 1204944), (24, 853502), (26, 787848), (34, 602472), (39, 525232), (48, 426751), (51, 401648), (52, 393924), (68, 301236), (78, 262616), (102, 200824), (104, 196962), (136, 150618), (156, 131308), (204, 100412), (208, 98481), (221, 92688), (272, 75309), (312, 65654), (408, 50206), (442, 46344), (624, 32827), (663, 30896), (816, 25103), (884, 23172), (1326, 15448), (1768, 11586), (1931, 10608), (2652, 7724), (3536, 5793), (3862, 5304)]