20852460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 67721472

約数和(自身を除く): 46869012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 101, 111, 124, 148, 155, 180, 185, 186, 202, 222, 279, 303, 310, 333, 370, 372, 404, 444, 465, 505, 555, 558, 606, 620, 666, 740, 909, 930, 1010, 1110, 1116, 1147, 1212, 1332, 1395, 1515, 1665, 1818, 1860, 2020, 2220, 2294, 2790, 3030, 3131, 3330, 3441, 3636, 3737, 4545, 4588, 5580, 5735, 6060, 6262, 6660, 6882, 7474, 9090, 9393, 10323, 11211, 11470, 12524, 13764, 14948, 15655, 17205, 18180, 18685, 18786, 20646, 22422, 22940, 28179, 31310, 33633, 34410, 37370, 37572, 41292, 44844, 46965, 51615, 56055, 56358, 62620, 67266, 68820, 74740, 93930, 103230, 112110, 112716, 115847, 134532, 140895, 168165, 187860, 206460, 224220, 231694, 281790, 336330, 347541, 463388, 563580, 579235, 672660, 695082, 1042623, 1158470, 1390164, 1737705, 2085246, 2316940, 3475410, 4170492, 5213115, 6950820, 10426230, 20852460]

約数ペア:

[(1, 20852460), (2, 10426230), (3, 6950820), (4, 5213115), (5, 4170492), (6, 3475410), (9, 2316940), (10, 2085246), (12, 1737705), (15, 1390164), (18, 1158470), (20, 1042623), (30, 695082), (31, 672660), (36, 579235), (37, 563580), (45, 463388), (60, 347541), (62, 336330), (74, 281790), (90, 231694), (93, 224220), (101, 206460), (111, 187860), (124, 168165), (148, 140895), (155, 134532), (180, 115847), (185, 112716), (186, 112110), (202, 103230), (222, 93930), (279, 74740), (303, 68820), (310, 67266), (333, 62620), (370, 56358), (372, 56055), (404, 51615), (444, 46965), (465, 44844), (505, 41292), (555, 37572), (558, 37370), (606, 34410), (620, 33633), (666, 31310), (740, 28179), (909, 22940), (930, 22422), (1010, 20646), (1110, 18786), (1116, 18685), (1147, 18180), (1212, 17205), (1332, 15655), (1395, 14948), (1515, 13764), (1665, 12524), (1818, 11470), (1860, 11211), (2020, 10323), (2220, 9393), (2294, 9090), (2790, 7474), (3030, 6882), (3131, 6660), (3330, 6262), (3441, 6060), (3636, 5735), (3737, 5580), (4545, 4588)]