20183880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 44512440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 103, 115, 120, 138, 142, 184, 206, 213, 230, 276, 284, 309, 345, 355, 412, 426, 460, 515, 552, 568, 618, 690, 710, 824, 852, 920, 1030, 1065, 1236, 1380, 1420, 1545, 1633, 1704, 2060, 2130, 2369, 2472, 2760, 2840, 3090, 3266, 4120, 4260, 4738, 4899, 6180, 6532, 7107, 7313, 8165, 8520, 9476, 9798, 11845, 12360, 13064, 14214, 14626, 16330, 18952, 19596, 21939, 23690, 24495, 28428, 29252, 32660, 35535, 36565, 39192, 43878, 47380, 48990, 56856, 58504, 65320, 71070, 73130, 87756, 94760, 97980, 109695, 142140, 146260, 168199, 175512, 195960, 219390, 284280, 292520, 336398, 438780, 504597, 672796, 840995, 877560, 1009194, 1345592, 1681990, 2018388, 2522985, 3363980, 4036776, 5045970, 6727960, 10091940, 20183880]

約数ペア:

[(1, 20183880), (2, 10091940), (3, 6727960), (4, 5045970), (5, 4036776), (6, 3363980), (8, 2522985), (10, 2018388), (12, 1681990), (15, 1345592), (20, 1009194), (23, 877560), (24, 840995), (30, 672796), (40, 504597), (46, 438780), (60, 336398), (69, 292520), (71, 284280), (92, 219390), (103, 195960), (115, 175512), (120, 168199), (138, 146260), (142, 142140), (184, 109695), (206, 97980), (213, 94760), (230, 87756), (276, 73130), (284, 71070), (309, 65320), (345, 58504), (355, 56856), (412, 48990), (426, 47380), (460, 43878), (515, 39192), (552, 36565), (568, 35535), (618, 32660), (690, 29252), (710, 28428), (824, 24495), (852, 23690), (920, 21939), (1030, 19596), (1065, 18952), (1236, 16330), (1380, 14626), (1420, 14214), (1545, 13064), (1633, 12360), (1704, 11845), (2060, 9798), (2130, 9476), (2369, 8520), (2472, 8165), (2760, 7313), (2840, 7107), (3090, 6532), (3266, 6180), (4120, 4899), (4260, 4738)]