20010690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 96

約数和(自身を含む): 62090496

約数和(自身を除く): 42079806

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1381, 1449, 1610, 2070, 2415, 2762, 2898, 4143, 4830, 6905, 7245, 8286, 9667, 12429, 13810, 14490, 19334, 20715, 24858, 29001, 31763, 41430, 48335, 58002, 62145, 63526, 87003, 95289, 96670, 124290, 145005, 158815, 174006, 190578, 222341, 285867, 290010, 317630, 435015, 444682, 476445, 571734, 667023, 870030, 952890, 1111705, 1334046, 1429335, 2001069, 2223410, 2858670, 3335115, 4002138, 6670230, 10005345, 20010690]

約数ペア:

[(1, 20010690), (2, 10005345), (3, 6670230), (5, 4002138), (6, 3335115), (7, 2858670), (9, 2223410), (10, 2001069), (14, 1429335), (15, 1334046), (18, 1111705), (21, 952890), (23, 870030), (30, 667023), (35, 571734), (42, 476445), (45, 444682), (46, 435015), (63, 317630), (69, 290010), (70, 285867), (90, 222341), (105, 190578), (115, 174006), (126, 158815), (138, 145005), (161, 124290), (207, 96670), (210, 95289), (230, 87003), (315, 63526), (322, 62145), (345, 58002), (414, 48335), (483, 41430), (630, 31763), (690, 29001), (805, 24858), (966, 20715), (1035, 19334), (1381, 14490), (1449, 13810), (1610, 12429), (2070, 9667), (2415, 8286), (2762, 7245), (2898, 6905), (4143, 4830)]