20585160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 67466880

約数和(自身を除く): 46881720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 211, 271, 360, 422, 542, 633, 813, 844, 1055, 1084, 1266, 1355, 1626, 1688, 1899, 2110, 2168, 2439, 2532, 2710, 3165, 3252, 3798, 4065, 4220, 4878, 5064, 5420, 6330, 6504, 7596, 8130, 8440, 9495, 9756, 10840, 12195, 12660, 15192, 16260, 18990, 19512, 24390, 25320, 32520, 37980, 48780, 57181, 75960, 97560, 114362, 171543, 228724, 285905, 343086, 457448, 514629, 571810, 686172, 857715, 1029258, 1143620, 1372344, 1715430, 2058516, 2287240, 2573145, 3430860, 4117032, 5146290, 6861720, 10292580, 20585160]

約数ペア:

[(1, 20585160), (2, 10292580), (3, 6861720), (4, 5146290), (5, 4117032), (6, 3430860), (8, 2573145), (9, 2287240), (10, 2058516), (12, 1715430), (15, 1372344), (18, 1143620), (20, 1029258), (24, 857715), (30, 686172), (36, 571810), (40, 514629), (45, 457448), (60, 343086), (72, 285905), (90, 228724), (120, 171543), (180, 114362), (211, 97560), (271, 75960), (360, 57181), (422, 48780), (542, 37980), (633, 32520), (813, 25320), (844, 24390), (1055, 19512), (1084, 18990), (1266, 16260), (1355, 15192), (1626, 12660), (1688, 12195), (1899, 10840), (2110, 9756), (2168, 9495), (2439, 8440), (2532, 8130), (2710, 7596), (3165, 6504), (3252, 6330), (3798, 5420), (4065, 5064), (4220, 4878)]