20291088

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{1171}}^1$

素因数の和:1220

約数の個数: 60

約数和(自身を含む): 55369968

約数和(自身を除く): 35078880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 456, 722, 912, 1083, 1171, 1444, 2166, 2342, 2888, 3513, 4332, 4684, 5776, 7026, 8664, 9368, 14052, 17328, 18736, 22249, 28104, 44498, 56208, 66747, 88996, 133494, 177992, 266988, 355984, 422731, 533976, 845462, 1067952, 1268193, 1690924, 2536386, 3381848, 5072772, 6763696, 10145544, 20291088]

約数ペア:

[(1, 20291088), (2, 10145544), (3, 6763696), (4, 5072772), (6, 3381848), (8, 2536386), (12, 1690924), (16, 1268193), (19, 1067952), (24, 845462), (38, 533976), (48, 422731), (57, 355984), (76, 266988), (114, 177992), (152, 133494), (228, 88996), (304, 66747), (361, 56208), (456, 44498), (722, 28104), (912, 22249), (1083, 18736), (1171, 17328), (1444, 14052), (2166, 9368), (2342, 8664), (2888, 7026), (3513, 5776), (4332, 4684)]