20619465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14631735

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1019, 1065, 1349, 3057, 4047, 5095, 6745, 15285, 19361, 20235, 58083, 72349, 96805, 217047, 290415, 361745, 1085235, 1374631, 4123893, 6873155, 20619465]

約数ペア:

[(1, 20619465), (3, 6873155), (5, 4123893), (15, 1374631), (19, 1085235), (57, 361745), (71, 290415), (95, 217047), (213, 96805), (285, 72349), (355, 58083), (1019, 20235), (1065, 19361), (1349, 15285), (3057, 6745), (4047, 5095)]