20348084637

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{81671}}^1$

素因数の和:81774

約数の個数: 48

約数和(自身を含む): 32616529920

約数和(自身を除く): 12268445283

約数列:

[1, 3, 9, 19, 31, 47, 57, 93, 141, 171, 279, 423, 589, 893, 1457, 1767, 2679, 4371, 5301, 8037, 13113, 27683, 81671, 83049, 245013, 249147, 735039, 1551749, 2531801, 3838537, 4655247, 7595403, 11515611, 13965741, 22786209, 34546833, 48104219, 72932203, 118994647, 144312657, 218796609, 356983941, 432937971, 656389827, 1070951823, 2260898293, 6782694879, 20348084637]

約数ペア:

[(1, 20348084637), (3, 6782694879), (9, 2260898293), (19, 1070951823), (31, 656389827), (47, 432937971), (57, 356983941), (93, 218796609), (141, 144312657), (171, 118994647), (279, 72932203), (423, 48104219), (589, 34546833), (893, 22786209), (1457, 13965741), (1767, 11515611), (2679, 7595403), (4371, 4655247), (5301, 3838537), (8037, 2531801), (13113, 1551749), (27683, 735039), (81671, 249147), (83049, 245013)]