20417100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 47078580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 30, 33, 44, 46, 50, 55, 60, 66, 69, 75, 92, 100, 110, 115, 132, 138, 150, 165, 220, 230, 253, 269, 275, 276, 300, 330, 345, 460, 506, 538, 550, 575, 660, 690, 759, 807, 825, 1012, 1076, 1100, 1150, 1265, 1345, 1380, 1518, 1614, 1650, 1725, 2300, 2530, 2690, 2959, 3036, 3228, 3300, 3450, 3795, 4035, 5060, 5380, 5918, 6187, 6325, 6725, 6900, 7590, 8070, 8877, 11836, 12374, 12650, 13450, 14795, 15180, 16140, 17754, 18561, 18975, 20175, 24748, 25300, 26900, 29590, 30935, 35508, 37122, 37950, 40350, 44385, 59180, 61870, 68057, 73975, 74244, 75900, 80700, 88770, 92805, 123740, 136114, 147950, 154675, 177540, 185610, 204171, 221925, 272228, 295900, 309350, 340285, 371220, 408342, 443850, 464025, 618700, 680570, 816684, 887700, 928050, 1020855, 1361140, 1701425, 1856100, 2041710, 3402850, 4083420, 5104275, 6805700, 10208550, 20417100]

約数ペア:

[(1, 20417100), (2, 10208550), (3, 6805700), (4, 5104275), (5, 4083420), (6, 3402850), (10, 2041710), (11, 1856100), (12, 1701425), (15, 1361140), (20, 1020855), (22, 928050), (23, 887700), (25, 816684), (30, 680570), (33, 618700), (44, 464025), (46, 443850), (50, 408342), (55, 371220), (60, 340285), (66, 309350), (69, 295900), (75, 272228), (92, 221925), (100, 204171), (110, 185610), (115, 177540), (132, 154675), (138, 147950), (150, 136114), (165, 123740), (220, 92805), (230, 88770), (253, 80700), (269, 75900), (275, 74244), (276, 73975), (300, 68057), (330, 61870), (345, 59180), (460, 44385), (506, 40350), (538, 37950), (550, 37122), (575, 35508), (660, 30935), (690, 29590), (759, 26900), (807, 25300), (825, 24748), (1012, 20175), (1076, 18975), (1100, 18561), (1150, 17754), (1265, 16140), (1345, 15180), (1380, 14795), (1518, 13450), (1614, 12650), (1650, 12374), (1725, 11836), (2300, 8877), (2530, 8070), (2690, 7590), (2959, 6900), (3036, 6725), (3228, 6325), (3300, 6187), (3450, 5918), (3795, 5380), (4035, 5060)]