20120429940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{250441}}^1$

素因数の和:250569

約数の個数: 96

約数和(自身を含む): 61260116736

約数和(自身を除く): 41139686796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 206, 260, 309, 390, 412, 515, 618, 780, 1030, 1236, 1339, 1545, 2060, 2678, 3090, 4017, 5356, 6180, 6695, 8034, 13390, 16068, 20085, 26780, 40170, 80340, 250441, 500882, 751323, 1001764, 1252205, 1502646, 2504410, 3005292, 3255733, 3756615, 5008820, 6511466, 7513230, 9767199, 13022932, 15026460, 16278665, 19534398, 25795423, 32557330, 39068796, 48835995, 51590846, 65114660, 77386269, 97671990, 103181692, 128977115, 154772538, 195343980, 257954230, 309545076, 335340499, 386931345, 515908460, 670680998, 773862690, 1006021497, 1341361996, 1547725380, 1676702495, 2012042994, 3353404990, 4024085988, 5030107485, 6706809980, 10060214970, 20120429940]

約数ペア:

[(1, 20120429940), (2, 10060214970), (3, 6706809980), (4, 5030107485), (5, 4024085988), (6, 3353404990), (10, 2012042994), (12, 1676702495), (13, 1547725380), (15, 1341361996), (20, 1006021497), (26, 773862690), (30, 670680998), (39, 515908460), (52, 386931345), (60, 335340499), (65, 309545076), (78, 257954230), (103, 195343980), (130, 154772538), (156, 128977115), (195, 103181692), (206, 97671990), (260, 77386269), (309, 65114660), (390, 51590846), (412, 48835995), (515, 39068796), (618, 32557330), (780, 25795423), (1030, 19534398), (1236, 16278665), (1339, 15026460), (1545, 13022932), (2060, 9767199), (2678, 7513230), (3090, 6511466), (4017, 5008820), (5356, 3756615), (6180, 3255733), (6695, 3005292), (8034, 2504410), (13390, 1502646), (16068, 1252205), (20085, 1001764), (26780, 751323), (40170, 500882), (80340, 250441)]