20010769380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15881563}}^1$

素因数の和:15881585

約数の個数: 72

約数和(自身を含む): 69370671552

約数和(自身を除く): 49359902172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15881563, 31763126, 47644689, 63526252, 79407815, 95289378, 111170941, 142934067, 158815630, 190578756, 222341882, 238223445, 285868134, 317631260, 333512823, 444683764, 476446890, 555854705, 571736268, 667025646, 714670335, 952893780, 1000538469, 1111709410, 1334051292, 1429340670, 1667564115, 2001076938, 2223418820, 2858681340, 3335128230, 4002153876, 5002692345, 6670256460, 10005384690, 20010769380]

約数ペア:

[(1, 20010769380), (2, 10005384690), (3, 6670256460), (4, 5002692345), (5, 4002153876), (6, 3335128230), (7, 2858681340), (9, 2223418820), (10, 2001076938), (12, 1667564115), (14, 1429340670), (15, 1334051292), (18, 1111709410), (20, 1000538469), (21, 952893780), (28, 714670335), (30, 667025646), (35, 571736268), (36, 555854705), (42, 476446890), (45, 444683764), (60, 333512823), (63, 317631260), (70, 285868134), (84, 238223445), (90, 222341882), (105, 190578756), (126, 158815630), (140, 142934067), (180, 111170941), (210, 95289378), (252, 79407815), (315, 63526252), (420, 47644689), (630, 31763126), (1260, 15881563)]