20364090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30957510

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 89, 145, 174, 178, 263, 267, 290, 435, 445, 526, 534, 789, 870, 890, 1315, 1335, 1578, 2581, 2630, 2670, 3945, 5162, 7627, 7743, 7890, 12905, 15254, 15486, 22881, 23407, 25810, 38135, 38715, 45762, 46814, 70221, 76270, 77430, 114405, 117035, 140442, 228810, 234070, 351105, 678803, 702210, 1357606, 2036409, 3394015, 4072818, 6788030, 10182045, 20364090]

約数ペア:

[(1, 20364090), (2, 10182045), (3, 6788030), (5, 4072818), (6, 3394015), (10, 2036409), (15, 1357606), (29, 702210), (30, 678803), (58, 351105), (87, 234070), (89, 228810), (145, 140442), (174, 117035), (178, 114405), (263, 77430), (267, 76270), (290, 70221), (435, 46814), (445, 45762), (526, 38715), (534, 38135), (789, 25810), (870, 23407), (890, 22881), (1315, 15486), (1335, 15254), (1578, 12905), (2581, 7890), (2630, 7743), (2670, 7627), (3945, 5162)]