20825976

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 34614024

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 109, 114, 152, 218, 228, 327, 419, 436, 456, 654, 838, 872, 1257, 1308, 1676, 2071, 2514, 2616, 3352, 4142, 5028, 6213, 7961, 8284, 10056, 12426, 15922, 16568, 23883, 24852, 31844, 45671, 47766, 49704, 63688, 91342, 95532, 137013, 182684, 191064, 274026, 365368, 548052, 867749, 1096104, 1735498, 2603247, 3470996, 5206494, 6941992, 10412988, 20825976]

約数ペア:

[(1, 20825976), (2, 10412988), (3, 6941992), (4, 5206494), (6, 3470996), (8, 2603247), (12, 1735498), (19, 1096104), (24, 867749), (38, 548052), (57, 365368), (76, 274026), (109, 191064), (114, 182684), (152, 137013), (218, 95532), (228, 91342), (327, 63688), (419, 49704), (436, 47766), (456, 45671), (654, 31844), (838, 24852), (872, 23883), (1257, 16568), (1308, 15922), (1676, 12426), (2071, 10056), (2514, 8284), (2616, 7961), (3352, 6213), (4142, 5028)]