20540150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 40738464

約数和(自身を除く): 20198314

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 106, 115, 230, 265, 337, 530, 575, 674, 1150, 1219, 1325, 1685, 2438, 2650, 3370, 6095, 7751, 8425, 12190, 15502, 16850, 17861, 30475, 35722, 38755, 60950, 77510, 89305, 178610, 193775, 387550, 410803, 446525, 821606, 893050, 2054015, 4108030, 10270075, 20540150]

約数ペア:

[(1, 20540150), (2, 10270075), (5, 4108030), (10, 2054015), (23, 893050), (25, 821606), (46, 446525), (50, 410803), (53, 387550), (106, 193775), (115, 178610), (230, 89305), (265, 77510), (337, 60950), (530, 38755), (575, 35722), (674, 30475), (1150, 17861), (1219, 16850), (1325, 15502), (1685, 12190), (2438, 8425), (2650, 7751), (3370, 6095)]