20903989968

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{743}}^1\times {\mathrm{4157}}^1$

素因数の和:4961

約数の個数: 120

約数和(自身を含む): 59841669888

約数和(自身を除く): 38937679920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 743, 752, 846, 1128, 1486, 1692, 2229, 2256, 2972, 3384, 4157, 4458, 5944, 6687, 6768, 8314, 8916, 11888, 12471, 13374, 16628, 17832, 24942, 26748, 33256, 34921, 35664, 37413, 49884, 53496, 66512, 69842, 74826, 99768, 104763, 106992, 139684, 149652, 195379, 199536, 209526, 279368, 299304, 314289, 390758, 419052, 558736, 586137, 598608, 628578, 781516, 838104, 1172274, 1257156, 1563032, 1676208, 1758411, 2344548, 2514312, 3088651, 3126064, 3516822, 4689096, 5028624, 6177302, 7033644, 9265953, 9378192, 12354604, 14067288, 18531906, 24709208, 27797859, 28134576, 37063812, 49418416, 55595718, 74127624, 111191436, 145166597, 148255248, 222382872, 290333194, 435499791, 444765744, 580666388, 870999582, 1161332776, 1306499373, 1741999164, 2322665552, 2612998746, 3483998328, 5225997492, 6967996656, 10451994984, 20903989968]

約数ペア:

[(1, 20903989968), (2, 10451994984), (3, 6967996656), (4, 5225997492), (6, 3483998328), (8, 2612998746), (9, 2322665552), (12, 1741999164), (16, 1306499373), (18, 1161332776), (24, 870999582), (36, 580666388), (47, 444765744), (48, 435499791), (72, 290333194), (94, 222382872), (141, 148255248), (144, 145166597), (188, 111191436), (282, 74127624), (376, 55595718), (423, 49418416), (564, 37063812), (743, 28134576), (752, 27797859), (846, 24709208), (1128, 18531906), (1486, 14067288), (1692, 12354604), (2229, 9378192), (2256, 9265953), (2972, 7033644), (3384, 6177302), (4157, 5028624), (4458, 4689096), (5944, 3516822), (6687, 3126064), (6768, 3088651), (8314, 2514312), (8916, 2344548), (11888, 1758411), (12471, 1676208), (13374, 1563032), (16628, 1257156), (17832, 1172274), (24942, 838104), (26748, 781516), (33256, 628578), (34921, 598608), (35664, 586137), (37413, 558736), (49884, 419052), (53496, 390758), (66512, 314289), (69842, 299304), (74826, 279368), (99768, 209526), (104763, 199536), (106992, 195379), (139684, 149652)]