20684621699

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{5693}}^1$

素因数の和:5955

約数の個数: 32

約数和(自身を含む): 24582045696

約数和(自身を除く): 3897423997

約数列:

[1, 7, 61, 67, 127, 427, 469, 889, 4087, 5693, 7747, 8509, 28609, 39851, 54229, 59563, 347273, 381431, 519049, 723011, 2430911, 2670017, 3633343, 5061077, 23267291, 44103671, 48441737, 162871037, 308725697, 339092159, 2954945957, 20684621699]

約数ペア:

[(1, 20684621699), (7, 2954945957), (61, 339092159), (67, 308725697), (127, 162871037), (427, 48441737), (469, 44103671), (889, 23267291), (4087, 5061077), (5693, 3633343), (7747, 2670017), (8509, 2430911), (28609, 723011), (39851, 519049), (54229, 381431), (59563, 347273)]