20402580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1669

約数の個数: 96

約数和(自身を含む): 65640960

約数和(自身を除く): 45238380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1627, 2090, 2508, 3135, 3254, 4180, 4881, 6270, 6508, 8135, 9762, 12540, 16270, 17897, 19524, 24405, 30913, 32540, 35794, 48810, 53691, 61826, 71588, 89485, 92739, 97620, 107382, 123652, 154565, 178970, 185478, 214764, 268455, 309130, 340043, 357940, 370956, 463695, 536910, 618260, 680086, 927390, 1020129, 1073820, 1360172, 1700215, 1854780, 2040258, 3400430, 4080516, 5100645, 6800860, 10201290, 20402580]

約数ペア:

[(1, 20402580), (2, 10201290), (3, 6800860), (4, 5100645), (5, 4080516), (6, 3400430), (10, 2040258), (11, 1854780), (12, 1700215), (15, 1360172), (19, 1073820), (20, 1020129), (22, 927390), (30, 680086), (33, 618260), (38, 536910), (44, 463695), (55, 370956), (57, 357940), (60, 340043), (66, 309130), (76, 268455), (95, 214764), (110, 185478), (114, 178970), (132, 154565), (165, 123652), (190, 107382), (209, 97620), (220, 92739), (228, 89485), (285, 71588), (330, 61826), (380, 53691), (418, 48810), (570, 35794), (627, 32540), (660, 30913), (836, 24405), (1045, 19524), (1140, 17897), (1254, 16270), (1627, 12540), (2090, 9762), (2508, 8135), (3135, 6508), (3254, 6270), (4180, 4881)]