20196140978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 34477277184

約数和(自身を除く): 14281136206

約数列:

[1, 2, 13, 23, 26, 46, 151, 191, 299, 302, 382, 598, 1171, 1963, 2342, 2483, 3473, 3926, 4393, 4966, 6946, 8786, 15223, 26933, 28841, 30446, 45149, 53866, 57109, 57682, 90298, 114218, 176821, 223661, 350129, 353642, 374933, 447322, 663343, 700258, 749866, 1326686, 2298673, 2907593, 4066883, 4597346, 5144203, 5815186, 8133766, 8623459, 10288406, 17246918, 33772811, 52869479, 66874639, 67545622, 105738958, 133749278, 439046543, 776774653, 878093086, 1553549306, 10098070489, 20196140978]

約数ペア:

[(1, 20196140978), (2, 10098070489), (13, 1553549306), (23, 878093086), (26, 776774653), (46, 439046543), (151, 133749278), (191, 105738958), (299, 67545622), (302, 66874639), (382, 52869479), (598, 33772811), (1171, 17246918), (1963, 10288406), (2342, 8623459), (2483, 8133766), (3473, 5815186), (3926, 5144203), (4393, 4597346), (4966, 4066883), (6946, 2907593), (8786, 2298673), (15223, 1326686), (26933, 749866), (28841, 700258), (30446, 663343), (45149, 447322), (53866, 374933), (57109, 353642), (57682, 350129), (90298, 223661), (114218, 176821)]