20161747278

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1\times {\mathrm{2377}}^1$

素因数の和:2978

約数の個数: 96

約数和(自身を含む): 47236097376

約数和(自身を除く): 27074350098

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 523, 901, 954, 1046, 1569, 1802, 2377, 2703, 3138, 4707, 4754, 5406, 7131, 8109, 8891, 9414, 14262, 16218, 17782, 21393, 26673, 27719, 40409, 42786, 53346, 55438, 80019, 80818, 83157, 121227, 125981, 160038, 166314, 242454, 249471, 251962, 363681, 377943, 471223, 498942, 727362, 755886, 942446, 1133829, 1243171, 1413669, 2141677, 2267658, 2486342, 2827338, 3729513, 4241007, 4283354, 6425031, 7459026, 8482014, 11188539, 12850062, 19275093, 21133907, 22377078, 38550186, 42267814, 63401721, 65888063, 126803442, 131776126, 190205163, 197664189, 380410326, 395328378, 592992567, 1120097071, 1185985134, 2240194142, 3360291213, 6720582426, 10080873639, 20161747278]

約数ペア:

[(1, 20161747278), (2, 10080873639), (3, 6720582426), (6, 3360291213), (9, 2240194142), (17, 1185985134), (18, 1120097071), (34, 592992567), (51, 395328378), (53, 380410326), (102, 197664189), (106, 190205163), (153, 131776126), (159, 126803442), (306, 65888063), (318, 63401721), (477, 42267814), (523, 38550186), (901, 22377078), (954, 21133907), (1046, 19275093), (1569, 12850062), (1802, 11188539), (2377, 8482014), (2703, 7459026), (3138, 6425031), (4707, 4283354), (4754, 4241007), (5406, 3729513), (7131, 2827338), (8109, 2486342), (8891, 2267658), (9414, 2141677), (14262, 1413669), (16218, 1243171), (17782, 1133829), (21393, 942446), (26673, 755886), (27719, 727362), (40409, 498942), (42786, 471223), (53346, 377943), (55438, 363681), (80019, 251962), (80818, 249471), (83157, 242454), (121227, 166314), (125981, 160038)]