20125950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10321}}^1$

素因数の和:10349

約数の個数: 48

約数和(自身を含む): 53756976

約数和(自身を除く): 33631026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10321, 20642, 30963, 51605, 61926, 103210, 134173, 154815, 258025, 268346, 309630, 402519, 516050, 670865, 774075, 805038, 1341730, 1548150, 2012595, 3354325, 4025190, 6708650, 10062975, 20125950]

約数ペア:

[(1, 20125950), (2, 10062975), (3, 6708650), (5, 4025190), (6, 3354325), (10, 2012595), (13, 1548150), (15, 1341730), (25, 805038), (26, 774075), (30, 670865), (39, 516050), (50, 402519), (65, 309630), (75, 268346), (78, 258025), (130, 154815), (150, 134173), (195, 103210), (325, 61926), (390, 51605), (650, 30963), (975, 20642), (1950, 10321)]