20123909904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1\times {\mathrm{1399}}^1$

素因数の和:2829

約数の個数: 160

約数和(自身を含む): 61418291200

約数和(自身を除く): 41294381296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1381, 1399, 1488, 1736, 2604, 2762, 2798, 3472, 4143, 4197, 5208, 5524, 5596, 8286, 8394, 9667, 9793, 10416, 11048, 11192, 16572, 16788, 19334, 19586, 22096, 22384, 29001, 29379, 33144, 33576, 38668, 39172, 42811, 43369, 58002, 58758, 66288, 67152, 77336, 78344, 85622, 86738, 116004, 117516, 128433, 130107, 154672, 156688, 171244, 173476, 232008, 235032, 256866, 260214, 299677, 303583, 342488, 346952, 464016, 470064, 513732, 520428, 599354, 607166, 684976, 693904, 899031, 910749, 1027464, 1040856, 1198708, 1214332, 1798062, 1821498, 1932019, 2054928, 2081712, 2397416, 2428664, 3596124, 3642996, 3864038, 4794832, 4857328, 5796057, 7192248, 7285992, 7728076, 11592114, 13524133, 14384496, 14571984, 15456152, 23184228, 27048266, 30912304, 40572399, 46368456, 54096532, 59892589, 81144798, 92736912, 108193064, 119785178, 162289596, 179677767, 216386128, 239570356, 324579192, 359355534, 419248123, 479140712, 649158384, 718711068, 838496246, 958281424, 1257744369, 1437422136, 1676992492, 2515488738, 2874844272, 3353984984, 5030977476, 6707969968, 10061954952, 20123909904]

約数ペア:

[(1, 20123909904), (2, 10061954952), (3, 6707969968), (4, 5030977476), (6, 3353984984), (7, 2874844272), (8, 2515488738), (12, 1676992492), (14, 1437422136), (16, 1257744369), (21, 958281424), (24, 838496246), (28, 718711068), (31, 649158384), (42, 479140712), (48, 419248123), (56, 359355534), (62, 324579192), (84, 239570356), (93, 216386128), (112, 179677767), (124, 162289596), (168, 119785178), (186, 108193064), (217, 92736912), (248, 81144798), (336, 59892589), (372, 54096532), (434, 46368456), (496, 40572399), (651, 30912304), (744, 27048266), (868, 23184228), (1302, 15456152), (1381, 14571984), (1399, 14384496), (1488, 13524133), (1736, 11592114), (2604, 7728076), (2762, 7285992), (2798, 7192248), (3472, 5796057), (4143, 4857328), (4197, 4794832), (5208, 3864038), (5524, 3642996), (5596, 3596124), (8286, 2428664), (8394, 2397416), (9667, 2081712), (9793, 2054928), (10416, 1932019), (11048, 1821498), (11192, 1798062), (16572, 1214332), (16788, 1198708), (19334, 1040856), (19586, 1027464), (22096, 910749), (22384, 899031), (29001, 693904), (29379, 684976), (33144, 607166), (33576, 599354), (38668, 520428), (39172, 513732), (42811, 470064), (43369, 464016), (58002, 346952), (58758, 342488), (66288, 303583), (67152, 299677), (77336, 260214), (78344, 256866), (85622, 235032), (86738, 232008), (116004, 173476), (117516, 171244), (128433, 156688), (130107, 154672)]