20187375990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1\times {\mathrm{13339}}^1$

素因数の和:14237

約数の個数: 64

約数和(自身を含む): 49307201280

約数和(自身を除く): 29119825290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 827, 915, 1654, 1830, 2481, 4135, 4962, 8270, 12405, 13339, 24810, 26678, 40017, 50447, 66695, 80034, 100894, 133390, 151341, 200085, 252235, 302682, 400170, 504470, 756705, 813679, 1513410, 1627358, 2441037, 4068395, 4882074, 8136790, 11031353, 12205185, 22062706, 24410370, 33094059, 55156765, 66188118, 110313530, 165470295, 330940590, 672912533, 1345825066, 2018737599, 3364562665, 4037475198, 6729125330, 10093687995, 20187375990]

約数ペア:

[(1, 20187375990), (2, 10093687995), (3, 6729125330), (5, 4037475198), (6, 3364562665), (10, 2018737599), (15, 1345825066), (30, 672912533), (61, 330940590), (122, 165470295), (183, 110313530), (305, 66188118), (366, 55156765), (610, 33094059), (827, 24410370), (915, 22062706), (1654, 12205185), (1830, 11031353), (2481, 8136790), (4135, 4882074), (4962, 4068395), (8270, 2441037), (12405, 1627358), (13339, 1513410), (24810, 813679), (26678, 756705), (40017, 504470), (50447, 400170), (66695, 302682), (80034, 252235), (100894, 200085), (133390, 151341)]