20547150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 56433888

約数和(自身を除く): 35886738

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 41, 50, 65, 75, 78, 82, 123, 130, 150, 195, 205, 246, 257, 325, 390, 410, 514, 533, 615, 650, 771, 975, 1025, 1066, 1230, 1285, 1542, 1599, 1950, 2050, 2570, 2665, 3075, 3198, 3341, 3855, 5330, 6150, 6425, 6682, 7710, 7995, 10023, 10537, 12850, 13325, 15990, 16705, 19275, 20046, 21074, 26650, 31611, 33410, 38550, 39975, 50115, 52685, 63222, 79950, 83525, 100230, 105370, 136981, 158055, 167050, 250575, 263425, 273962, 316110, 410943, 501150, 526850, 684905, 790275, 821886, 1369810, 1580550, 2054715, 3424525, 4109430, 6849050, 10273575, 20547150]

約数ペア:

[(1, 20547150), (2, 10273575), (3, 6849050), (5, 4109430), (6, 3424525), (10, 2054715), (13, 1580550), (15, 1369810), (25, 821886), (26, 790275), (30, 684905), (39, 526850), (41, 501150), (50, 410943), (65, 316110), (75, 273962), (78, 263425), (82, 250575), (123, 167050), (130, 158055), (150, 136981), (195, 105370), (205, 100230), (246, 83525), (257, 79950), (325, 63222), (390, 52685), (410, 50115), (514, 39975), (533, 38550), (615, 33410), (650, 31611), (771, 26650), (975, 21074), (1025, 20046), (1066, 19275), (1230, 16705), (1285, 15990), (1542, 13325), (1599, 12850), (1950, 10537), (2050, 10023), (2570, 7995), (2665, 7710), (3075, 6682), (3198, 6425), (3341, 6150), (3855, 5330)]