20882940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 64604736

約数和(自身を除く): 43721796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 653, 780, 820, 1066, 1230, 1306, 1599, 1959, 2132, 2460, 2612, 2665, 3198, 3265, 3918, 5330, 6396, 6530, 7836, 7995, 8489, 9795, 10660, 13060, 15990, 16978, 19590, 25467, 26773, 31980, 33956, 39180, 42445, 50934, 53546, 80319, 84890, 101868, 107092, 127335, 133865, 160638, 169780, 254670, 267730, 321276, 348049, 401595, 509340, 535460, 696098, 803190, 1044147, 1392196, 1606380, 1740245, 2088294, 3480490, 4176588, 5220735, 6960980, 10441470, 20882940]

約数ペア:

[(1, 20882940), (2, 10441470), (3, 6960980), (4, 5220735), (5, 4176588), (6, 3480490), (10, 2088294), (12, 1740245), (13, 1606380), (15, 1392196), (20, 1044147), (26, 803190), (30, 696098), (39, 535460), (41, 509340), (52, 401595), (60, 348049), (65, 321276), (78, 267730), (82, 254670), (123, 169780), (130, 160638), (156, 133865), (164, 127335), (195, 107092), (205, 101868), (246, 84890), (260, 80319), (390, 53546), (410, 50934), (492, 42445), (533, 39180), (615, 33956), (653, 31980), (780, 26773), (820, 25467), (1066, 19590), (1230, 16978), (1306, 15990), (1599, 13060), (1959, 10660), (2132, 9795), (2460, 8489), (2612, 7995), (2665, 7836), (3198, 6530), (3265, 6396), (3918, 5330)]