22042660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 50694336

約数和(自身を除く): 28651676

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 71, 76, 86, 95, 142, 172, 190, 215, 284, 355, 361, 380, 430, 710, 722, 817, 860, 1349, 1420, 1444, 1634, 1805, 2698, 3053, 3268, 3610, 4085, 5396, 6106, 6745, 7220, 8170, 12212, 13490, 15265, 15523, 16340, 25631, 26980, 30530, 31046, 51262, 58007, 61060, 62092, 77615, 102524, 116014, 128155, 155230, 232028, 256310, 290035, 310460, 512620, 580070, 1102133, 1160140, 2204266, 4408532, 5510665, 11021330, 22042660]

約数ペア:

[(1, 22042660), (2, 11021330), (4, 5510665), (5, 4408532), (10, 2204266), (19, 1160140), (20, 1102133), (38, 580070), (43, 512620), (71, 310460), (76, 290035), (86, 256310), (95, 232028), (142, 155230), (172, 128155), (190, 116014), (215, 102524), (284, 77615), (355, 62092), (361, 61060), (380, 58007), (430, 51262), (710, 31046), (722, 30530), (817, 26980), (860, 25631), (1349, 16340), (1420, 15523), (1444, 15265), (1634, 13490), (1805, 12212), (2698, 8170), (3053, 7220), (3268, 6745), (3610, 6106), (4085, 5396)]