20199390764

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{137437}}^1$

素因数の和:137658

約数の個数: 48

約数和(自身を含む): 42023042880

約数和(自身を除く): 21823652116

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 181, 203, 362, 406, 724, 812, 1267, 2534, 5068, 5249, 10498, 20996, 36743, 73486, 137437, 146972, 274874, 549748, 962059, 1924118, 3848236, 3985673, 7971346, 15942692, 24876097, 27899711, 49752194, 55799422, 99504388, 111598844, 174132679, 348265358, 696530716, 721406813, 1442813626, 2885627252, 5049847691, 10099695382, 20199390764]

約数ペア:

[(1, 20199390764), (2, 10099695382), (4, 5049847691), (7, 2885627252), (14, 1442813626), (28, 721406813), (29, 696530716), (58, 348265358), (116, 174132679), (181, 111598844), (203, 99504388), (362, 55799422), (406, 49752194), (724, 27899711), (812, 24876097), (1267, 15942692), (2534, 7971346), (5068, 3985673), (5249, 3848236), (10498, 1924118), (20996, 962059), (36743, 549748), (73486, 274874), (137437, 146972)]