20663832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2617}}^1$

素因数の和:2680

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 39654888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2617, 2632, 3948, 5234, 7851, 7896, 10468, 15702, 18319, 20936, 31404, 36638, 54957, 62808, 73276, 109914, 122999, 146552, 219828, 245998, 368997, 439656, 491996, 737994, 860993, 983992, 1475988, 1721986, 2582979, 2951976, 3443972, 5165958, 6887944, 10331916, 20663832]

約数ペア:

[(1, 20663832), (2, 10331916), (3, 6887944), (4, 5165958), (6, 3443972), (7, 2951976), (8, 2582979), (12, 1721986), (14, 1475988), (21, 983992), (24, 860993), (28, 737994), (42, 491996), (47, 439656), (56, 368997), (84, 245998), (94, 219828), (141, 146552), (168, 122999), (188, 109914), (282, 73276), (329, 62808), (376, 54957), (564, 36638), (658, 31404), (987, 20936), (1128, 18319), (1316, 15702), (1974, 10468), (2617, 7896), (2632, 7851), (3948, 5234)]