20304350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 45532800

約数和(自身を除く): 25228450

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 29, 38, 50, 55, 58, 67, 95, 110, 134, 145, 190, 209, 275, 290, 319, 335, 418, 475, 550, 551, 638, 670, 725, 737, 950, 1045, 1102, 1273, 1450, 1474, 1595, 1675, 1943, 2090, 2546, 2755, 3190, 3350, 3685, 3886, 5225, 5510, 6061, 6365, 7370, 7975, 9715, 10450, 12122, 12730, 13775, 14003, 15950, 18425, 19430, 21373, 27550, 28006, 30305, 31825, 36850, 36917, 42746, 48575, 60610, 63650, 70015, 73834, 97150, 106865, 140030, 151525, 184585, 213730, 303050, 350075, 369170, 406087, 534325, 700150, 812174, 922925, 1068650, 1845850, 2030435, 4060870, 10152175, 20304350]

約数ペア:

[(1, 20304350), (2, 10152175), (5, 4060870), (10, 2030435), (11, 1845850), (19, 1068650), (22, 922925), (25, 812174), (29, 700150), (38, 534325), (50, 406087), (55, 369170), (58, 350075), (67, 303050), (95, 213730), (110, 184585), (134, 151525), (145, 140030), (190, 106865), (209, 97150), (275, 73834), (290, 70015), (319, 63650), (335, 60610), (418, 48575), (475, 42746), (550, 36917), (551, 36850), (638, 31825), (670, 30305), (725, 28006), (737, 27550), (950, 21373), (1045, 19430), (1102, 18425), (1273, 15950), (1450, 14003), (1474, 13775), (1595, 12730), (1675, 12122), (1943, 10450), (2090, 9715), (2546, 7975), (2755, 7370), (3190, 6365), (3350, 6061), (3685, 5510), (3886, 5225)]