20225479920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{4259}}^1$

素因数の和:4743

約数の個数: 160

約数和(自身を含む): 64200176640

約数和(自身を除く): 43974696720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 421, 470, 564, 705, 752, 842, 940, 1128, 1263, 1410, 1684, 1880, 2105, 2256, 2526, 2820, 3368, 3760, 4210, 4259, 5052, 5640, 6315, 6736, 8420, 8518, 10104, 11280, 12630, 12777, 16840, 17036, 19787, 20208, 21295, 25260, 25554, 33680, 34072, 39574, 42590, 50520, 51108, 59361, 63885, 68144, 79148, 85180, 98935, 101040, 102216, 118722, 127770, 158296, 170360, 197870, 200173, 204432, 237444, 255540, 296805, 316592, 340720, 395740, 400346, 474888, 511080, 593610, 600519, 791480, 800692, 949776, 1000865, 1022160, 1187220, 1201038, 1582960, 1601384, 1793039, 2001730, 2374440, 2402076, 3002595, 3202768, 3586078, 4003460, 4748880, 4804152, 5379117, 6005190, 7172156, 8006920, 8965195, 9608304, 10758234, 12010380, 14344312, 16013840, 17930390, 21516468, 24020760, 26895585, 28688624, 35860780, 43032936, 48041520, 53791170, 71721560, 84272833, 86065872, 107582340, 143443120, 168545666, 215164680, 252818499, 337091332, 421364165, 430329360, 505636998, 674182664, 842728330, 1011273996, 1264092495, 1348365328, 1685456660, 2022547992, 2528184990, 3370913320, 4045095984, 5056369980, 6741826640, 10112739960, 20225479920]

約数ペア:

[(1, 20225479920), (2, 10112739960), (3, 6741826640), (4, 5056369980), (5, 4045095984), (6, 3370913320), (8, 2528184990), (10, 2022547992), (12, 1685456660), (15, 1348365328), (16, 1264092495), (20, 1011273996), (24, 842728330), (30, 674182664), (40, 505636998), (47, 430329360), (48, 421364165), (60, 337091332), (80, 252818499), (94, 215164680), (120, 168545666), (141, 143443120), (188, 107582340), (235, 86065872), (240, 84272833), (282, 71721560), (376, 53791170), (421, 48041520), (470, 43032936), (564, 35860780), (705, 28688624), (752, 26895585), (842, 24020760), (940, 21516468), (1128, 17930390), (1263, 16013840), (1410, 14344312), (1684, 12010380), (1880, 10758234), (2105, 9608304), (2256, 8965195), (2526, 8006920), (2820, 7172156), (3368, 6005190), (3760, 5379117), (4210, 4804152), (4259, 4748880), (5052, 4003460), (5640, 3586078), (6315, 3202768), (6736, 3002595), (8420, 2402076), (8518, 2374440), (10104, 2001730), (11280, 1793039), (12630, 1601384), (12777, 1582960), (16840, 1201038), (17036, 1187220), (19787, 1022160), (20208, 1000865), (21295, 949776), (25260, 800692), (25554, 791480), (33680, 600519), (34072, 593610), (39574, 511080), (42590, 474888), (50520, 400346), (51108, 395740), (59361, 340720), (63885, 316592), (68144, 296805), (79148, 255540), (85180, 237444), (98935, 204432), (101040, 200173), (102216, 197870), (118722, 170360), (127770, 158296)]