20340128620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{7109}}^1$

素因数の和:7423

約数の個数: 96

約数和(自身を含む): 49537474560

約数和(自身を除く): 29197345940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 191, 214, 382, 428, 535, 749, 764, 955, 1070, 1337, 1498, 1910, 2140, 2674, 2996, 3745, 3820, 5348, 6685, 7109, 7490, 13370, 14218, 14980, 20437, 26740, 28436, 35545, 40874, 49763, 71090, 81748, 99526, 102185, 142180, 143059, 199052, 204370, 248815, 286118, 408740, 497630, 572236, 715295, 760663, 995260, 1357819, 1430590, 1521326, 2715638, 2861180, 3042652, 3803315, 5324641, 5431276, 6789095, 7606630, 9504733, 10649282, 13578190, 15213260, 19009466, 21298564, 26623205, 27156380, 38018932, 47523665, 53246410, 95047330, 106492820, 145286633, 190094660, 290573266, 581146532, 726433165, 1017006431, 1452866330, 2034012862, 2905732660, 4068025724, 5085032155, 10170064310, 20340128620]

約数ペア:

[(1, 20340128620), (2, 10170064310), (4, 5085032155), (5, 4068025724), (7, 2905732660), (10, 2034012862), (14, 1452866330), (20, 1017006431), (28, 726433165), (35, 581146532), (70, 290573266), (107, 190094660), (140, 145286633), (191, 106492820), (214, 95047330), (382, 53246410), (428, 47523665), (535, 38018932), (749, 27156380), (764, 26623205), (955, 21298564), (1070, 19009466), (1337, 15213260), (1498, 13578190), (1910, 10649282), (2140, 9504733), (2674, 7606630), (2996, 6789095), (3745, 5431276), (3820, 5324641), (5348, 3803315), (6685, 3042652), (7109, 2861180), (7490, 2715638), (13370, 1521326), (14218, 1430590), (14980, 1357819), (20437, 995260), (26740, 760663), (28436, 715295), (35545, 572236), (40874, 497630), (49763, 408740), (71090, 286118), (81748, 248815), (99526, 204370), (102185, 199052), (142180, 143059)]