20215191216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{9973}}^1$

素因数の和:10355

約数の個数: 120

約数和(自身を含む): 57571922800

約数和(自身を除く): 37356731584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 349, 363, 484, 528, 698, 726, 968, 1047, 1396, 1452, 1936, 2094, 2792, 2904, 3839, 4188, 5584, 5808, 7678, 8376, 9973, 11517, 15356, 16752, 19946, 23034, 29919, 30712, 39892, 42229, 46068, 59838, 61424, 79784, 84458, 92136, 109703, 119676, 126687, 159568, 168916, 184272, 219406, 239352, 253374, 329109, 337832, 438812, 478704, 506748, 658218, 675664, 877624, 1013496, 1206733, 1316436, 1755248, 2026992, 2413466, 2632872, 3480577, 3620199, 4826932, 5265744, 6961154, 7240398, 9653864, 10441731, 13922308, 14480796, 19307728, 20883462, 27844616, 28961592, 38286347, 41766924, 55689232, 57923184, 76572694, 83533848, 114859041, 153145388, 167067696, 229718082, 306290776, 421149817, 459436164, 612581552, 842299634, 918872328, 1263449451, 1684599268, 1837744656, 2526898902, 3369198536, 5053797804, 6738397072, 10107595608, 20215191216]

約数ペア:

[(1, 20215191216), (2, 10107595608), (3, 6738397072), (4, 5053797804), (6, 3369198536), (8, 2526898902), (11, 1837744656), (12, 1684599268), (16, 1263449451), (22, 918872328), (24, 842299634), (33, 612581552), (44, 459436164), (48, 421149817), (66, 306290776), (88, 229718082), (121, 167067696), (132, 153145388), (176, 114859041), (242, 83533848), (264, 76572694), (349, 57923184), (363, 55689232), (484, 41766924), (528, 38286347), (698, 28961592), (726, 27844616), (968, 20883462), (1047, 19307728), (1396, 14480796), (1452, 13922308), (1936, 10441731), (2094, 9653864), (2792, 7240398), (2904, 6961154), (3839, 5265744), (4188, 4826932), (5584, 3620199), (5808, 3480577), (7678, 2632872), (8376, 2413466), (9973, 2026992), (11517, 1755248), (15356, 1316436), (16752, 1206733), (19946, 1013496), (23034, 877624), (29919, 675664), (30712, 658218), (39892, 506748), (42229, 478704), (46068, 438812), (59838, 337832), (61424, 329109), (79784, 253374), (84458, 239352), (92136, 219406), (109703, 184272), (119676, 168916), (126687, 159568)]