20305545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 35368704

約数和(自身を除く): 15063159

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1031, 1313, 1515, 3093, 3939, 5155, 6565, 13403, 15465, 19695, 40209, 67015, 104131, 201045, 312393, 520655, 1353703, 1561965, 4061109, 6768515, 20305545]

約数ペア:

[(1, 20305545), (3, 6768515), (5, 4061109), (13, 1561965), (15, 1353703), (39, 520655), (65, 312393), (101, 201045), (195, 104131), (303, 67015), (505, 40209), (1031, 19695), (1313, 15465), (1515, 13403), (3093, 6565), (3939, 5155)]