20148270820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{13109}}^1$

素因数の和:13253

約数の個数: 96

約数和(自身を含む): 45529666560

約数和(自身を除く): 25381395740

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 67, 74, 124, 134, 148, 155, 185, 268, 310, 335, 370, 620, 670, 740, 1147, 1340, 2077, 2294, 2479, 4154, 4588, 4958, 5735, 8308, 9916, 10385, 11470, 12395, 13109, 20770, 22940, 24790, 26218, 41540, 49580, 52436, 65545, 76849, 131090, 153698, 262180, 307396, 384245, 406379, 485033, 768490, 812758, 878303, 970066, 1536980, 1625516, 1756606, 1940132, 2031895, 2425165, 3513212, 4063790, 4391515, 4850330, 8127580, 8783030, 9700660, 15036023, 17566060, 27227393, 30072046, 32497211, 54454786, 60144092, 64994422, 75180115, 108909572, 129988844, 136136965, 150360230, 162486055, 272273930, 300720460, 324972110, 544547860, 649944220, 1007413541, 2014827082, 4029654164, 5037067705, 10074135410, 20148270820]

約数ペア:

[(1, 20148270820), (2, 10074135410), (4, 5037067705), (5, 4029654164), (10, 2014827082), (20, 1007413541), (31, 649944220), (37, 544547860), (62, 324972110), (67, 300720460), (74, 272273930), (124, 162486055), (134, 150360230), (148, 136136965), (155, 129988844), (185, 108909572), (268, 75180115), (310, 64994422), (335, 60144092), (370, 54454786), (620, 32497211), (670, 30072046), (740, 27227393), (1147, 17566060), (1340, 15036023), (2077, 9700660), (2294, 8783030), (2479, 8127580), (4154, 4850330), (4588, 4391515), (4958, 4063790), (5735, 3513212), (8308, 2425165), (9916, 2031895), (10385, 1940132), (11470, 1756606), (12395, 1625516), (13109, 1536980), (20770, 970066), (22940, 878303), (24790, 812758), (26218, 768490), (41540, 485033), (49580, 406379), (52436, 384245), (65545, 307396), (76849, 262180), (131090, 153698)]