19952040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7229}}^1$

素因数の和:7266

約数の個数: 64

約数和(自身を含む): 62467200

約数和(自身を除く): 42515160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7229, 14458, 21687, 28916, 36145, 43374, 57832, 72290, 86748, 108435, 144580, 166267, 173496, 216870, 289160, 332534, 433740, 498801, 665068, 831335, 867480, 997602, 1330136, 1662670, 1995204, 2494005, 3325340, 3990408, 4988010, 6650680, 9976020, 19952040]

約数ペア:

[(1, 19952040), (2, 9976020), (3, 6650680), (4, 4988010), (5, 3990408), (6, 3325340), (8, 2494005), (10, 1995204), (12, 1662670), (15, 1330136), (20, 997602), (23, 867480), (24, 831335), (30, 665068), (40, 498801), (46, 433740), (60, 332534), (69, 289160), (92, 216870), (115, 173496), (120, 166267), (138, 144580), (184, 108435), (230, 86748), (276, 72290), (345, 57832), (460, 43374), (552, 36145), (690, 28916), (920, 21687), (1380, 14458), (2760, 7229)]