20003008

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 56

約数和(自身を含む): 42135552

約数和(自身を除く): 22132544

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 107, 127, 184, 214, 254, 368, 428, 508, 736, 856, 1016, 1472, 1712, 2032, 2461, 2921, 3424, 4064, 4922, 5842, 6848, 8128, 9844, 11684, 13589, 19688, 23368, 27178, 39376, 46736, 54356, 78752, 93472, 108712, 157504, 186944, 217424, 312547, 434848, 625094, 869696, 1250188, 2500376, 5000752, 10001504, 20003008]

約数ペア:

[(1, 20003008), (2, 10001504), (4, 5000752), (8, 2500376), (16, 1250188), (23, 869696), (32, 625094), (46, 434848), (64, 312547), (92, 217424), (107, 186944), (127, 157504), (184, 108712), (214, 93472), (254, 78752), (368, 54356), (428, 46736), (508, 39376), (736, 27178), (856, 23368), (1016, 19688), (1472, 13589), (1712, 11684), (2032, 9844), (2461, 8128), (2921, 6848), (3424, 5842), (4064, 4922)]