20162997790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{20357}}^1$

素因数の和:20797

約数の個数: 64

約数和(自身を含む): 41246936640

約数和(自身を除く): 21083938850

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 401, 494, 802, 1235, 2005, 2470, 4010, 5213, 7619, 10426, 15238, 20357, 26065, 38095, 40714, 52130, 76190, 99047, 101785, 198094, 203570, 264641, 386783, 495235, 529282, 773566, 990470, 1323205, 1933915, 2646410, 3867830, 5028179, 8163157, 10056358, 16326314, 25140895, 40815785, 50281790, 81631570, 106121041, 155099983, 212242082, 310199966, 530605205, 775499915, 1061210410, 1550999830, 2016299779, 4032599558, 10081498895, 20162997790]

約数ペア:

[(1, 20162997790), (2, 10081498895), (5, 4032599558), (10, 2016299779), (13, 1550999830), (19, 1061210410), (26, 775499915), (38, 530605205), (65, 310199966), (95, 212242082), (130, 155099983), (190, 106121041), (247, 81631570), (401, 50281790), (494, 40815785), (802, 25140895), (1235, 16326314), (2005, 10056358), (2470, 8163157), (4010, 5028179), (5213, 3867830), (7619, 2646410), (10426, 1933915), (15238, 1323205), (20357, 990470), (26065, 773566), (38095, 529282), (40714, 495235), (52130, 386783), (76190, 264641), (99047, 203570), (101785, 198094)]