20237850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 120

約数和(自身を含む): 59415840

約数和(自身を除く): 39177990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 81, 90, 95, 114, 135, 150, 162, 171, 190, 225, 263, 270, 285, 342, 405, 450, 475, 513, 526, 570, 675, 789, 810, 855, 950, 1026, 1315, 1350, 1425, 1539, 1578, 1710, 2025, 2367, 2565, 2630, 2850, 3078, 3945, 4050, 4275, 4734, 4997, 5130, 6575, 7101, 7695, 7890, 8550, 9994, 11835, 12825, 13150, 14202, 14991, 15390, 19725, 21303, 23670, 24985, 25650, 29982, 35505, 38475, 39450, 42606, 44973, 49970, 59175, 71010, 74955, 76950, 89946, 106515, 118350, 124925, 134919, 149910, 177525, 213030, 224865, 249850, 269838, 355050, 374775, 404757, 449730, 532575, 674595, 749550, 809514, 1065150, 1124325, 1349190, 2023785, 2248650, 3372975, 4047570, 6745950, 10118925, 20237850]

約数ペア:

[(1, 20237850), (2, 10118925), (3, 6745950), (5, 4047570), (6, 3372975), (9, 2248650), (10, 2023785), (15, 1349190), (18, 1124325), (19, 1065150), (25, 809514), (27, 749550), (30, 674595), (38, 532575), (45, 449730), (50, 404757), (54, 374775), (57, 355050), (75, 269838), (81, 249850), (90, 224865), (95, 213030), (114, 177525), (135, 149910), (150, 134919), (162, 124925), (171, 118350), (190, 106515), (225, 89946), (263, 76950), (270, 74955), (285, 71010), (342, 59175), (405, 49970), (450, 44973), (475, 42606), (513, 39450), (526, 38475), (570, 35505), (675, 29982), (789, 25650), (810, 24985), (855, 23670), (950, 21303), (1026, 19725), (1315, 15390), (1350, 14991), (1425, 14202), (1539, 13150), (1578, 12825), (1710, 11835), (2025, 9994), (2367, 8550), (2565, 7890), (2630, 7695), (2850, 7101), (3078, 6575), (3945, 5130), (4050, 4997), (4275, 4734)]