20072486812

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{641}}^1\times {\mathrm{811}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 41184058608

約数和(自身を除く): 21111571796

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 641, 788, 811, 1282, 1379, 1622, 2564, 2758, 3244, 4487, 5516, 5677, 8974, 9653, 11354, 17948, 19306, 22708, 31409, 38612, 39739, 62818, 79478, 125636, 126277, 158956, 159767, 252554, 319534, 505108, 519851, 639068, 883939, 1039702, 1118369, 1767878, 2079404, 2236738, 3535756, 3638957, 4473476, 6187573, 7277914, 7828583, 12375146, 14555828, 15657166, 24750292, 25472699, 31314332, 50945398, 101890796, 102410647, 204821294, 409642588, 716874529, 1433749058, 2867498116, 5018121703, 10036243406, 20072486812]

約数ペア:

[(1, 20072486812), (2, 10036243406), (4, 5018121703), (7, 2867498116), (14, 1433749058), (28, 716874529), (49, 409642588), (98, 204821294), (196, 102410647), (197, 101890796), (394, 50945398), (641, 31314332), (788, 25472699), (811, 24750292), (1282, 15657166), (1379, 14555828), (1622, 12375146), (2564, 7828583), (2758, 7277914), (3244, 6187573), (4487, 4473476), (5516, 3638957), (5677, 3535756), (8974, 2236738), (9653, 2079404), (11354, 1767878), (17948, 1118369), (19306, 1039702), (22708, 883939), (31409, 639068), (38612, 519851), (39739, 505108), (62818, 319534), (79478, 252554), (125636, 159767), (126277, 158956)]