20252784

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 35993616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 53, 57, 76, 106, 114, 152, 159, 212, 228, 304, 318, 419, 424, 456, 636, 838, 848, 912, 1007, 1257, 1272, 1676, 2014, 2514, 2544, 3021, 3352, 4028, 5028, 6042, 6704, 7961, 8056, 10056, 12084, 15922, 16112, 20112, 22207, 23883, 24168, 31844, 44414, 47766, 48336, 63688, 66621, 88828, 95532, 127376, 133242, 177656, 191064, 266484, 355312, 382128, 421933, 532968, 843866, 1065936, 1265799, 1687732, 2531598, 3375464, 5063196, 6750928, 10126392, 20252784]

約数ペア:

[(1, 20252784), (2, 10126392), (3, 6750928), (4, 5063196), (6, 3375464), (8, 2531598), (12, 1687732), (16, 1265799), (19, 1065936), (24, 843866), (38, 532968), (48, 421933), (53, 382128), (57, 355312), (76, 266484), (106, 191064), (114, 177656), (152, 133242), (159, 127376), (212, 95532), (228, 88828), (304, 66621), (318, 63688), (419, 48336), (424, 47766), (456, 44414), (636, 31844), (838, 24168), (848, 23883), (912, 22207), (1007, 20112), (1257, 16112), (1272, 15922), (1676, 12084), (2014, 10056), (2514, 8056), (2544, 7961), (3021, 6704), (3352, 6042), (4028, 5028)]