20190855965

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{3659}}^1$

素因数の和:4002

約数の個数: 48

約数和(自身を含む): 28599298560

約数和(自身を除く): 8408442595

約数列:

[1, 5, 7, 35, 49, 101, 223, 245, 505, 707, 1115, 1561, 3535, 3659, 4949, 7805, 10927, 18295, 22523, 24745, 25613, 54635, 112615, 128065, 157661, 179291, 369559, 788305, 815957, 896455, 1103627, 1847795, 2586913, 4079785, 5518135, 5711699, 12934565, 18108391, 28558495, 39981893, 82411657, 90541955, 199909465, 412058285, 576881599, 2884407995, 4038171193, 20190855965]

約数ペア:

[(1, 20190855965), (5, 4038171193), (7, 2884407995), (35, 576881599), (49, 412058285), (101, 199909465), (223, 90541955), (245, 82411657), (505, 39981893), (707, 28558495), (1115, 18108391), (1561, 12934565), (3535, 5711699), (3659, 5518135), (4949, 4079785), (7805, 2586913), (10927, 1847795), (18295, 1103627), (22523, 896455), (24745, 815957), (25613, 788305), (54635, 369559), (112615, 179291), (128065, 157661)]