20185887470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{147353}}^1$

素因数の和:147489

約数の個数: 64

約数和(自身を含む): 44135470080

約数和(自身を除く): 23949582610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 103, 133, 190, 206, 266, 515, 665, 721, 1030, 1330, 1442, 1957, 3605, 3914, 7210, 9785, 13699, 19570, 27398, 68495, 136990, 147353, 294706, 736765, 1031471, 1473530, 2062942, 2799707, 5157355, 5599414, 10314710, 13998535, 15177359, 19597949, 27997070, 30354718, 39195898, 75886795, 97989745, 106241513, 151773590, 195979490, 212483026, 288369821, 531207565, 576739642, 1062415130, 1441849105, 2018588747, 2883698210, 4037177494, 10092943735, 20185887470]

約数ペア:

[(1, 20185887470), (2, 10092943735), (5, 4037177494), (7, 2883698210), (10, 2018588747), (14, 1441849105), (19, 1062415130), (35, 576739642), (38, 531207565), (70, 288369821), (95, 212483026), (103, 195979490), (133, 151773590), (190, 106241513), (206, 97989745), (266, 75886795), (515, 39195898), (665, 30354718), (721, 27997070), (1030, 19597949), (1330, 15177359), (1442, 13998535), (1957, 10314710), (3605, 5599414), (3914, 5157355), (7210, 2799707), (9785, 2062942), (13699, 1473530), (19570, 1031471), (27398, 736765), (68495, 294706), (136990, 147353)]