20465016

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 41224584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 67, 78, 88, 89, 104, 132, 134, 143, 156, 178, 201, 264, 267, 268, 286, 312, 356, 402, 429, 534, 536, 572, 712, 737, 804, 858, 871, 979, 1068, 1144, 1157, 1474, 1608, 1716, 1742, 1958, 2136, 2211, 2314, 2613, 2937, 2948, 3432, 3471, 3484, 3916, 4422, 4628, 5226, 5874, 5896, 5963, 6942, 6968, 7832, 8844, 9256, 9581, 10452, 11748, 11926, 12727, 13884, 17688, 17889, 19162, 20904, 23496, 23852, 25454, 27768, 28743, 35778, 38181, 38324, 47704, 50908, 57486, 65593, 71556, 76362, 76648, 77519, 101816, 114972, 131186, 143112, 152724, 155038, 196779, 229944, 232557, 262372, 305448, 310076, 393558, 465114, 524744, 620152, 787116, 852709, 930228, 1574232, 1705418, 1860456, 2558127, 3410836, 5116254, 6821672, 10232508, 20465016]

約数ペア:

[(1, 20465016), (2, 10232508), (3, 6821672), (4, 5116254), (6, 3410836), (8, 2558127), (11, 1860456), (12, 1705418), (13, 1574232), (22, 930228), (24, 852709), (26, 787116), (33, 620152), (39, 524744), (44, 465114), (52, 393558), (66, 310076), (67, 305448), (78, 262372), (88, 232557), (89, 229944), (104, 196779), (132, 155038), (134, 152724), (143, 143112), (156, 131186), (178, 114972), (201, 101816), (264, 77519), (267, 76648), (268, 76362), (286, 71556), (312, 65593), (356, 57486), (402, 50908), (429, 47704), (534, 38324), (536, 38181), (572, 35778), (712, 28743), (737, 27768), (804, 25454), (858, 23852), (871, 23496), (979, 20904), (1068, 19162), (1144, 17889), (1157, 17688), (1474, 13884), (1608, 12727), (1716, 11926), (1742, 11748), (1958, 10452), (2136, 9581), (2211, 9256), (2314, 8844), (2613, 7832), (2937, 6968), (2948, 6942), (3432, 5963), (3471, 5896), (3484, 5874), (3916, 5226), (4422, 4628)]