20618430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2153

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 37165890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2089, 3290, 4178, 4935, 6267, 9870, 10445, 12534, 14623, 20890, 29246, 31335, 43869, 62670, 73115, 87738, 98183, 146230, 196366, 219345, 294549, 438690, 490915, 589098, 687281, 981830, 1374562, 1472745, 2061843, 2945490, 3436405, 4123686, 6872810, 10309215, 20618430]

約数ペア:

[(1, 20618430), (2, 10309215), (3, 6872810), (5, 4123686), (6, 3436405), (7, 2945490), (10, 2061843), (14, 1472745), (15, 1374562), (21, 981830), (30, 687281), (35, 589098), (42, 490915), (47, 438690), (70, 294549), (94, 219345), (105, 196366), (141, 146230), (210, 98183), (235, 87738), (282, 73115), (329, 62670), (470, 43869), (658, 31335), (705, 29246), (987, 20890), (1410, 14623), (1645, 12534), (1974, 10445), (2089, 9870), (3290, 6267), (4178, 4935)]