20783392

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 29342432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 41, 56, 62, 73, 82, 112, 124, 146, 164, 217, 224, 248, 287, 292, 328, 434, 496, 511, 574, 584, 656, 868, 992, 1022, 1148, 1168, 1271, 1312, 1736, 2044, 2263, 2296, 2336, 2542, 2993, 3472, 4088, 4526, 4592, 5084, 5986, 6944, 8176, 8897, 9052, 9184, 10168, 11972, 15841, 16352, 17794, 18104, 20336, 20951, 23944, 31682, 35588, 36208, 40672, 41902, 47888, 63364, 71176, 72416, 83804, 92783, 95776, 126728, 142352, 167608, 185566, 253456, 284704, 335216, 371132, 506912, 649481, 670432, 742264, 1298962, 1484528, 2597924, 2969056, 5195848, 10391696, 20783392]

約数ペア:

[(1, 20783392), (2, 10391696), (4, 5195848), (7, 2969056), (8, 2597924), (14, 1484528), (16, 1298962), (28, 742264), (31, 670432), (32, 649481), (41, 506912), (56, 371132), (62, 335216), (73, 284704), (82, 253456), (112, 185566), (124, 167608), (146, 142352), (164, 126728), (217, 95776), (224, 92783), (248, 83804), (287, 72416), (292, 71176), (328, 63364), (434, 47888), (496, 41902), (511, 40672), (574, 36208), (584, 35588), (656, 31682), (868, 23944), (992, 20951), (1022, 20336), (1148, 18104), (1168, 17794), (1271, 16352), (1312, 15841), (1736, 11972), (2044, 10168), (2263, 9184), (2296, 9052), (2336, 8897), (2542, 8176), (2993, 6944), (3472, 5986), (4088, 5084), (4526, 4592)]