20594820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 62246016

約数和(自身を除く): 41651196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 61, 68, 85, 102, 122, 170, 183, 204, 244, 255, 305, 331, 340, 366, 510, 610, 662, 732, 915, 993, 1020, 1037, 1220, 1324, 1655, 1830, 1986, 2074, 3111, 3310, 3660, 3972, 4148, 4965, 5185, 5627, 6222, 6620, 9930, 10370, 11254, 12444, 15555, 16881, 19860, 20191, 20740, 22508, 28135, 31110, 33762, 40382, 56270, 60573, 62220, 67524, 80764, 84405, 100955, 112540, 121146, 168810, 201910, 242292, 302865, 337620, 343247, 403820, 605730, 686494, 1029741, 1211460, 1372988, 1716235, 2059482, 3432470, 4118964, 5148705, 6864940, 10297410, 20594820]

約数ペア:

[(1, 20594820), (2, 10297410), (3, 6864940), (4, 5148705), (5, 4118964), (6, 3432470), (10, 2059482), (12, 1716235), (15, 1372988), (17, 1211460), (20, 1029741), (30, 686494), (34, 605730), (51, 403820), (60, 343247), (61, 337620), (68, 302865), (85, 242292), (102, 201910), (122, 168810), (170, 121146), (183, 112540), (204, 100955), (244, 84405), (255, 80764), (305, 67524), (331, 62220), (340, 60573), (366, 56270), (510, 40382), (610, 33762), (662, 31110), (732, 28135), (915, 22508), (993, 20740), (1020, 20191), (1037, 19860), (1220, 16881), (1324, 15555), (1655, 12444), (1830, 11254), (1986, 10370), (2074, 9930), (3111, 6620), (3310, 6222), (3660, 5627), (3972, 5185), (4148, 4965)]