20875560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4243}}^1$

素因数の和:4298

約数の個数: 64

約数和(自身を含む): 64169280

約数和(自身を除く): 43293720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4243, 4920, 8486, 12729, 16972, 21215, 25458, 33944, 42430, 50916, 63645, 84860, 101832, 127290, 169720, 173963, 254580, 347926, 509160, 521889, 695852, 869815, 1043778, 1391704, 1739630, 2087556, 2609445, 3479260, 4175112, 5218890, 6958520, 10437780, 20875560]

約数ペア:

[(1, 20875560), (2, 10437780), (3, 6958520), (4, 5218890), (5, 4175112), (6, 3479260), (8, 2609445), (10, 2087556), (12, 1739630), (15, 1391704), (20, 1043778), (24, 869815), (30, 695852), (40, 521889), (41, 509160), (60, 347926), (82, 254580), (120, 173963), (123, 169720), (164, 127290), (205, 101832), (246, 84860), (328, 63645), (410, 50916), (492, 42430), (615, 33944), (820, 25458), (984, 21215), (1230, 16972), (1640, 12729), (2460, 8486), (4243, 4920)]