20176767945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{1031}}^1$

素因数の和:1595

約数の個数: 96

約数和(自身を含む): 37710766080

約数和(自身を除く): 17533998135

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 487, 705, 855, 893, 1031, 1461, 2115, 2435, 2679, 3093, 4383, 4465, 5155, 7305, 8037, 9253, 9279, 13395, 15465, 19589, 21915, 22889, 27759, 40185, 46265, 46395, 48457, 58767, 68667, 83277, 97945, 114445, 138795, 145371, 176301, 206001, 242285, 293835, 343335, 416385, 434891, 436113, 502097, 726855, 881505, 920683, 1030005, 1304673, 1506291, 2174455, 2180565, 2510485, 2762049, 3914019, 4518873, 4603415, 6523365, 7531455, 8286147, 9539843, 13810245, 19570095, 22594365, 23598559, 28619529, 41430735, 47699215, 70795677, 85858587, 117992795, 143097645, 212387031, 353978385, 429292935, 448372621, 1061935155, 1345117863, 2241863105, 4035353589, 6725589315, 20176767945]

約数ペア:

[(1, 20176767945), (3, 6725589315), (5, 4035353589), (9, 2241863105), (15, 1345117863), (19, 1061935155), (45, 448372621), (47, 429292935), (57, 353978385), (95, 212387031), (141, 143097645), (171, 117992795), (235, 85858587), (285, 70795677), (423, 47699215), (487, 41430735), (705, 28619529), (855, 23598559), (893, 22594365), (1031, 19570095), (1461, 13810245), (2115, 9539843), (2435, 8286147), (2679, 7531455), (3093, 6523365), (4383, 4603415), (4465, 4518873), (5155, 3914019), (7305, 2762049), (8037, 2510485), (9253, 2180565), (9279, 2174455), (13395, 1506291), (15465, 1304673), (19589, 1030005), (21915, 920683), (22889, 881505), (27759, 726855), (40185, 502097), (46265, 436113), (46395, 434891), (48457, 416385), (58767, 343335), (68667, 293835), (83277, 242285), (97945, 206001), (114445, 176301), (138795, 145371)]