20486388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3203}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 52750656

約数和(自身を除く): 32264268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 3203, 6396, 6406, 9609, 12812, 19218, 38436, 41639, 83278, 124917, 131323, 166556, 249834, 262646, 393969, 499668, 525292, 787938, 1575876, 1707199, 3414398, 5121597, 6828796, 10243194, 20486388]

約数ペア:

[(1, 20486388), (2, 10243194), (3, 6828796), (4, 5121597), (6, 3414398), (12, 1707199), (13, 1575876), (26, 787938), (39, 525292), (41, 499668), (52, 393969), (78, 262646), (82, 249834), (123, 166556), (156, 131323), (164, 124917), (246, 83278), (492, 41639), (533, 38436), (1066, 19218), (1599, 12812), (2132, 9609), (3198, 6406), (3203, 6396)]