20178233425

素因数分解:

$5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{2837}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 28969395840

約数和(自身を除く): 8791162415

約数列:

[1, 5, 7, 25, 35, 97, 175, 419, 485, 679, 2095, 2425, 2837, 2933, 3395, 10475, 14185, 14665, 16975, 19859, 40643, 70925, 73325, 99295, 203215, 275189, 284501, 496475, 1016075, 1188703, 1375945, 1422505, 1926323, 5943515, 6879725, 7112525, 8320921, 9631615, 29717575, 41604605, 48158075, 115304191, 208023025, 576520955, 807129337, 2882604775, 4035646685, 20178233425]

約数ペア:

[(1, 20178233425), (5, 4035646685), (7, 2882604775), (25, 807129337), (35, 576520955), (97, 208023025), (175, 115304191), (419, 48158075), (485, 41604605), (679, 29717575), (2095, 9631615), (2425, 8320921), (2837, 7112525), (2933, 6879725), (3395, 5943515), (10475, 1926323), (14185, 1422505), (14665, 1375945), (16975, 1188703), (19859, 1016075), (40643, 496475), (70925, 284501), (73325, 275189), (99295, 203215)]