20194990635

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{199}}^1\times {\mathrm{3659}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 33256224000

約数和(自身を除く): 13061233365

約数列:

[1, 3, 5, 15, 43, 129, 199, 215, 597, 645, 995, 1849, 2985, 3659, 5547, 8557, 9245, 10977, 18295, 25671, 27735, 42785, 54885, 128355, 157337, 367951, 472011, 728141, 786685, 1103853, 1839755, 2184423, 2360055, 3640705, 5519265, 6765491, 10922115, 20296473, 31310063, 33827455, 93930189, 101482365, 156550315, 469650945, 1346332709, 4038998127, 6731663545, 20194990635]

約数ペア:

[(1, 20194990635), (3, 6731663545), (5, 4038998127), (15, 1346332709), (43, 469650945), (129, 156550315), (199, 101482365), (215, 93930189), (597, 33827455), (645, 31310063), (995, 20296473), (1849, 10922115), (2985, 6765491), (3659, 5519265), (5547, 3640705), (8557, 2360055), (9245, 2184423), (10977, 1839755), (18295, 1103853), (25671, 786685), (27735, 728141), (42785, 472011), (54885, 367951), (128355, 157337)]