20773320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{599}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 66312000

約数和(自身を除く): 45538680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 578, 599, 680, 867, 1020, 1156, 1198, 1445, 1734, 1797, 2040, 2312, 2396, 2890, 2995, 3468, 3594, 4335, 4792, 5780, 5990, 6936, 7188, 8670, 8985, 10183, 11560, 11980, 14376, 17340, 17970, 20366, 23960, 30549, 34680, 35940, 40732, 50915, 61098, 71880, 81464, 101830, 122196, 152745, 173111, 203660, 244392, 305490, 346222, 407320, 519333, 610980, 692444, 865555, 1038666, 1221960, 1384888, 1731110, 2077332, 2596665, 3462220, 4154664, 5193330, 6924440, 10386660, 20773320]

約数ペア:

[(1, 20773320), (2, 10386660), (3, 6924440), (4, 5193330), (5, 4154664), (6, 3462220), (8, 2596665), (10, 2077332), (12, 1731110), (15, 1384888), (17, 1221960), (20, 1038666), (24, 865555), (30, 692444), (34, 610980), (40, 519333), (51, 407320), (60, 346222), (68, 305490), (85, 244392), (102, 203660), (120, 173111), (136, 152745), (170, 122196), (204, 101830), (255, 81464), (289, 71880), (340, 61098), (408, 50915), (510, 40732), (578, 35940), (599, 34680), (680, 30549), (867, 23960), (1020, 20366), (1156, 17970), (1198, 17340), (1445, 14376), (1734, 11980), (1797, 11560), (2040, 10183), (2312, 8985), (2396, 8670), (2890, 7188), (2995, 6936), (3468, 5990), (3594, 5780), (4335, 4792)]