20456712

素因数分解:

$2^3\times 3^5\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 60933600

約数和(自身を除く): 40476888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 243, 306, 324, 408, 459, 486, 612, 619, 648, 918, 972, 1224, 1238, 1377, 1836, 1857, 1944, 2476, 2754, 3672, 3714, 4131, 4952, 5508, 5571, 7428, 8262, 10523, 11016, 11142, 14856, 16524, 16713, 21046, 22284, 31569, 33048, 33426, 42092, 44568, 50139, 63138, 66852, 84184, 94707, 100278, 126276, 133704, 150417, 189414, 200556, 252552, 284121, 300834, 378828, 401112, 568242, 601668, 757656, 852363, 1136484, 1203336, 1704726, 2272968, 2557089, 3409452, 5114178, 6818904, 10228356, 20456712]

約数ペア:

[(1, 20456712), (2, 10228356), (3, 6818904), (4, 5114178), (6, 3409452), (8, 2557089), (9, 2272968), (12, 1704726), (17, 1203336), (18, 1136484), (24, 852363), (27, 757656), (34, 601668), (36, 568242), (51, 401112), (54, 378828), (68, 300834), (72, 284121), (81, 252552), (102, 200556), (108, 189414), (136, 150417), (153, 133704), (162, 126276), (204, 100278), (216, 94707), (243, 84184), (306, 66852), (324, 63138), (408, 50139), (459, 44568), (486, 42092), (612, 33426), (619, 33048), (648, 31569), (918, 22284), (972, 21046), (1224, 16713), (1238, 16524), (1377, 14856), (1836, 11142), (1857, 11016), (1944, 10523), (2476, 8262), (2754, 7428), (3672, 5571), (3714, 5508), (4131, 4952)]