20051928

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 61924800

約数和(自身を除く): 41872872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 72, 74, 78, 104, 108, 111, 117, 148, 156, 193, 216, 222, 234, 296, 312, 333, 351, 386, 444, 468, 481, 579, 666, 702, 772, 888, 936, 962, 999, 1158, 1332, 1404, 1443, 1544, 1737, 1924, 1998, 2316, 2509, 2664, 2808, 2886, 3474, 3848, 3996, 4329, 4632, 5018, 5211, 5772, 6948, 7141, 7527, 7992, 8658, 10036, 10422, 11544, 12987, 13896, 14282, 15054, 17316, 20072, 20844, 21423, 22581, 25974, 28564, 30108, 34632, 41688, 42846, 45162, 51948, 57128, 60216, 64269, 67743, 85692, 90324, 92833, 103896, 128538, 135486, 171384, 180648, 185666, 192807, 257076, 270972, 278499, 371332, 385614, 514152, 541944, 556998, 742664, 771228, 835497, 1113996, 1542456, 1670994, 2227992, 2506491, 3341988, 5012982, 6683976, 10025964, 20051928]

約数ペア:

[(1, 20051928), (2, 10025964), (3, 6683976), (4, 5012982), (6, 3341988), (8, 2506491), (9, 2227992), (12, 1670994), (13, 1542456), (18, 1113996), (24, 835497), (26, 771228), (27, 742664), (36, 556998), (37, 541944), (39, 514152), (52, 385614), (54, 371332), (72, 278499), (74, 270972), (78, 257076), (104, 192807), (108, 185666), (111, 180648), (117, 171384), (148, 135486), (156, 128538), (193, 103896), (216, 92833), (222, 90324), (234, 85692), (296, 67743), (312, 64269), (333, 60216), (351, 57128), (386, 51948), (444, 45162), (468, 42846), (481, 41688), (579, 34632), (666, 30108), (702, 28564), (772, 25974), (888, 22581), (936, 21423), (962, 20844), (999, 20072), (1158, 17316), (1332, 15054), (1404, 14282), (1443, 13896), (1544, 12987), (1737, 11544), (1924, 10422), (1998, 10036), (2316, 8658), (2509, 7992), (2664, 7527), (2808, 7141), (2886, 6948), (3474, 5772), (3848, 5211), (3996, 5018), (4329, 4632)]