20123670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1213}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 55941120

約数和(自身を除く): 35817450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1213, 1659, 2370, 2426, 2765, 3318, 3639, 5530, 6065, 7278, 8295, 8491, 12130, 16590, 16982, 18195, 25473, 36390, 42455, 50946, 84910, 95827, 127365, 191654, 254730, 287481, 479135, 574962, 670789, 958270, 1341578, 1437405, 2012367, 2874810, 3353945, 4024734, 6707890, 10061835, 20123670]

約数ペア:

[(1, 20123670), (2, 10061835), (3, 6707890), (5, 4024734), (6, 3353945), (7, 2874810), (10, 2012367), (14, 1437405), (15, 1341578), (21, 958270), (30, 670789), (35, 574962), (42, 479135), (70, 287481), (79, 254730), (105, 191654), (158, 127365), (210, 95827), (237, 84910), (395, 50946), (474, 42455), (553, 36390), (790, 25473), (1106, 18195), (1185, 16982), (1213, 16590), (1659, 12130), (2370, 8491), (2426, 8295), (2765, 7278), (3318, 6065), (3639, 5530)]