20177620995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{57587}}^1$

素因数の和:57720

約数の個数: 64

約数和(自身を含む): 38212632576

約数和(自身を除く): 18035011581

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 71, 105, 141, 213, 235, 329, 355, 497, 705, 987, 1065, 1491, 1645, 2485, 3337, 4935, 7455, 10011, 16685, 23359, 50055, 57587, 70077, 116795, 172761, 287935, 350385, 403109, 863805, 1209327, 2015545, 2706589, 4088677, 6046635, 8119767, 12266031, 13532945, 18946123, 20443385, 28620739, 40598835, 56838369, 61330155, 85862217, 94730615, 143103695, 192167819, 284191845, 429311085, 576503457, 960839095, 1345174733, 2882517285, 4035524199, 6725873665, 20177620995]

約数ペア:

[(1, 20177620995), (3, 6725873665), (5, 4035524199), (7, 2882517285), (15, 1345174733), (21, 960839095), (35, 576503457), (47, 429311085), (71, 284191845), (105, 192167819), (141, 143103695), (213, 94730615), (235, 85862217), (329, 61330155), (355, 56838369), (497, 40598835), (705, 28620739), (987, 20443385), (1065, 18946123), (1491, 13532945), (1645, 12266031), (2485, 8119767), (3337, 6046635), (4935, 4088677), (7455, 2706589), (10011, 2015545), (16685, 1209327), (23359, 863805), (50055, 403109), (57587, 350385), (70077, 287935), (116795, 172761)]