20194394120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1\times {\mathrm{7109}}^1$

素因数の和:8678

約数の個数: 64

約数和(自身を含む): 46441382400

約数和(自身を除く): 26246988280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1511, 1880, 3022, 6044, 7109, 7555, 12088, 14218, 15110, 28436, 30220, 35545, 56872, 60440, 71017, 71090, 142034, 142180, 284068, 284360, 334123, 355085, 568136, 668246, 710170, 1336492, 1420340, 1670615, 2672984, 2840680, 3341230, 6682460, 10741699, 13364920, 21483398, 42966796, 53708495, 85933592, 107416990, 214833980, 429667960, 504859853, 1009719706, 2019439412, 2524299265, 4038878824, 5048598530, 10097197060, 20194394120]

約数ペア:

[(1, 20194394120), (2, 10097197060), (4, 5048598530), (5, 4038878824), (8, 2524299265), (10, 2019439412), (20, 1009719706), (40, 504859853), (47, 429667960), (94, 214833980), (188, 107416990), (235, 85933592), (376, 53708495), (470, 42966796), (940, 21483398), (1511, 13364920), (1880, 10741699), (3022, 6682460), (6044, 3341230), (7109, 2840680), (7555, 2672984), (12088, 1670615), (14218, 1420340), (15110, 1336492), (28436, 710170), (30220, 668246), (35545, 568136), (56872, 355085), (60440, 334123), (71017, 284360), (71090, 284068), (142034, 142180)]