20180899492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{243931}}^1$

素因数の和:244028

約数の個数: 48

約数和(自身を含む): 39969721792

約数和(自身を除く): 19788822300

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 481, 559, 962, 1118, 1591, 1924, 2236, 3182, 6364, 20683, 41366, 82732, 243931, 487862, 975724, 3171103, 6342206, 9025447, 10489033, 12684412, 18050894, 20978066, 36101788, 41956132, 117330811, 136357429, 234661622, 272714858, 388094221, 469323244, 545429716, 776188442, 1552376884, 5045224873, 10090449746, 20180899492]

約数ペア:

[(1, 20180899492), (2, 10090449746), (4, 5045224873), (13, 1552376884), (26, 776188442), (37, 545429716), (43, 469323244), (52, 388094221), (74, 272714858), (86, 234661622), (148, 136357429), (172, 117330811), (481, 41956132), (559, 36101788), (962, 20978066), (1118, 18050894), (1591, 12684412), (1924, 10489033), (2236, 9025447), (3182, 6342206), (6364, 3171103), (20683, 975724), (41366, 487862), (82732, 243931)]