20296380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26021}}^1$

素因数の和:26046

約数の個数: 48

約数和(自身を含む): 61203744

約数和(自身を除く): 40907364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26021, 52042, 78063, 104084, 130105, 156126, 260210, 312252, 338273, 390315, 520420, 676546, 780630, 1014819, 1353092, 1561260, 1691365, 2029638, 3382730, 4059276, 5074095, 6765460, 10148190, 20296380]

約数ペア:

[(1, 20296380), (2, 10148190), (3, 6765460), (4, 5074095), (5, 4059276), (6, 3382730), (10, 2029638), (12, 1691365), (13, 1561260), (15, 1353092), (20, 1014819), (26, 780630), (30, 676546), (39, 520420), (52, 390315), (60, 338273), (65, 312252), (78, 260210), (130, 156126), (156, 130105), (195, 104084), (260, 78063), (390, 52042), (780, 26021)]