20945106

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 58880640

約数和(自身を除く): 37935534

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 673, 741, 798, 819, 1197, 1346, 1482, 1638, 1729, 2019, 2223, 2394, 3458, 4038, 4446, 4711, 5187, 6057, 8749, 9422, 10374, 12114, 12787, 14133, 15561, 17498, 25574, 26247, 28266, 31122, 38361, 42399, 52494, 61243, 76722, 78741, 84798, 89509, 115083, 122486, 157482, 166231, 179018, 183729, 230166, 268527, 332462, 367458, 498693, 537054, 551187, 805581, 997386, 1102374, 1163617, 1496079, 1611162, 2327234, 2992158, 3490851, 6981702, 10472553, 20945106]

約数ペア:

[(1, 20945106), (2, 10472553), (3, 6981702), (6, 3490851), (7, 2992158), (9, 2327234), (13, 1611162), (14, 1496079), (18, 1163617), (19, 1102374), (21, 997386), (26, 805581), (38, 551187), (39, 537054), (42, 498693), (57, 367458), (63, 332462), (78, 268527), (91, 230166), (114, 183729), (117, 179018), (126, 166231), (133, 157482), (171, 122486), (182, 115083), (234, 89509), (247, 84798), (266, 78741), (273, 76722), (342, 61243), (399, 52494), (494, 42399), (546, 38361), (673, 31122), (741, 28266), (798, 26247), (819, 25574), (1197, 17498), (1346, 15561), (1482, 14133), (1638, 12787), (1729, 12114), (2019, 10374), (2223, 9422), (2394, 8749), (3458, 6057), (4038, 5187), (4446, 4711)]