20143578468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{60937}}^1$

素因数の和:61133

約数の個数: 72

約数和(自身を含む): 51208395168

約数和(自身を除く): 31064816700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 169, 326, 338, 489, 507, 652, 676, 978, 1014, 1956, 2028, 2119, 4238, 6357, 8476, 12714, 25428, 27547, 55094, 60937, 82641, 110188, 121874, 165282, 182811, 243748, 330564, 365622, 731244, 792181, 1584362, 2376543, 3168724, 4753086, 9506172, 9932731, 10298353, 19865462, 20596706, 29798193, 30895059, 39730924, 41193412, 59596386, 61790118, 119192772, 123580236, 129125503, 258251006, 387376509, 516502012, 774753018, 1549506036, 1678631539, 3357263078, 5035894617, 6714526156, 10071789234, 20143578468]

約数ペア:

[(1, 20143578468), (2, 10071789234), (3, 6714526156), (4, 5035894617), (6, 3357263078), (12, 1678631539), (13, 1549506036), (26, 774753018), (39, 516502012), (52, 387376509), (78, 258251006), (156, 129125503), (163, 123580236), (169, 119192772), (326, 61790118), (338, 59596386), (489, 41193412), (507, 39730924), (652, 30895059), (676, 29798193), (978, 20596706), (1014, 19865462), (1956, 10298353), (2028, 9932731), (2119, 9506172), (4238, 4753086), (6357, 3168724), (8476, 2376543), (12714, 1584362), (25428, 792181), (27547, 731244), (55094, 365622), (60937, 330564), (82641, 243748), (110188, 182811), (121874, 165282)]