20591508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37469292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 79, 84, 87, 107, 116, 158, 174, 203, 214, 237, 316, 321, 348, 406, 428, 474, 553, 609, 642, 749, 812, 948, 1106, 1218, 1284, 1498, 1659, 2212, 2247, 2291, 2436, 2996, 3103, 3318, 4494, 4582, 6206, 6636, 6873, 8453, 8988, 9164, 9309, 12412, 13746, 16037, 16906, 18618, 21721, 25359, 27492, 32074, 33812, 37236, 43442, 48111, 50718, 59171, 64148, 65163, 86884, 96222, 101436, 118342, 130326, 177513, 192444, 236684, 245137, 260652, 355026, 490274, 710052, 735411, 980548, 1470822, 1715959, 2941644, 3431918, 5147877, 6863836, 10295754, 20591508]

約数ペア:

[(1, 20591508), (2, 10295754), (3, 6863836), (4, 5147877), (6, 3431918), (7, 2941644), (12, 1715959), (14, 1470822), (21, 980548), (28, 735411), (29, 710052), (42, 490274), (58, 355026), (79, 260652), (84, 245137), (87, 236684), (107, 192444), (116, 177513), (158, 130326), (174, 118342), (203, 101436), (214, 96222), (237, 86884), (316, 65163), (321, 64148), (348, 59171), (406, 50718), (428, 48111), (474, 43442), (553, 37236), (609, 33812), (642, 32074), (749, 27492), (812, 25359), (948, 21721), (1106, 18618), (1218, 16906), (1284, 16037), (1498, 13746), (1659, 12412), (2212, 9309), (2247, 9164), (2291, 8988), (2436, 8453), (2996, 6873), (3103, 6636), (3318, 6206), (4494, 4582)]