20313660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 60802560

約数和(自身を除く): 40488900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 173, 190, 206, 228, 285, 309, 346, 380, 412, 515, 519, 570, 618, 692, 865, 1030, 1038, 1140, 1236, 1545, 1730, 1957, 2060, 2076, 2595, 3090, 3287, 3460, 3914, 5190, 5871, 6180, 6574, 7828, 9785, 9861, 10380, 11742, 13148, 16435, 17819, 19570, 19722, 23484, 29355, 32870, 35638, 39140, 39444, 49305, 53457, 58710, 65740, 71276, 89095, 98610, 106914, 117420, 178190, 197220, 213828, 267285, 338561, 356380, 534570, 677122, 1015683, 1069140, 1354244, 1692805, 2031366, 3385610, 4062732, 5078415, 6771220, 10156830, 20313660]

約数ペア:

[(1, 20313660), (2, 10156830), (3, 6771220), (4, 5078415), (5, 4062732), (6, 3385610), (10, 2031366), (12, 1692805), (15, 1354244), (19, 1069140), (20, 1015683), (30, 677122), (38, 534570), (57, 356380), (60, 338561), (76, 267285), (95, 213828), (103, 197220), (114, 178190), (173, 117420), (190, 106914), (206, 98610), (228, 89095), (285, 71276), (309, 65740), (346, 58710), (380, 53457), (412, 49305), (515, 39444), (519, 39140), (570, 35638), (618, 32870), (692, 29355), (865, 23484), (1030, 19722), (1038, 19570), (1140, 17819), (1236, 16435), (1545, 13148), (1730, 11742), (1957, 10380), (2060, 9861), (2076, 9785), (2595, 7828), (3090, 6574), (3287, 6180), (3460, 5871), (3914, 5190)]