20799480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 68544000

約数和(自身を除く): 47744520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 199, 201, 260, 268, 312, 335, 390, 398, 402, 520, 536, 597, 670, 780, 796, 804, 871, 995, 1005, 1194, 1340, 1560, 1592, 1608, 1742, 1990, 2010, 2388, 2587, 2613, 2680, 2985, 3484, 3980, 4020, 4355, 4776, 5174, 5226, 5970, 6968, 7761, 7960, 8040, 8710, 10348, 10452, 11940, 12935, 13065, 13333, 15522, 17420, 20696, 20904, 23880, 25870, 26130, 26666, 31044, 34840, 38805, 39999, 51740, 52260, 53332, 62088, 66665, 77610, 79998, 103480, 104520, 106664, 133330, 155220, 159996, 173329, 199995, 266660, 310440, 319992, 346658, 399990, 519987, 533320, 693316, 799980, 866645, 1039974, 1386632, 1599960, 1733290, 2079948, 2599935, 3466580, 4159896, 5199870, 6933160, 10399740, 20799480]

約数ペア:

[(1, 20799480), (2, 10399740), (3, 6933160), (4, 5199870), (5, 4159896), (6, 3466580), (8, 2599935), (10, 2079948), (12, 1733290), (13, 1599960), (15, 1386632), (20, 1039974), (24, 866645), (26, 799980), (30, 693316), (39, 533320), (40, 519987), (52, 399990), (60, 346658), (65, 319992), (67, 310440), (78, 266660), (104, 199995), (120, 173329), (130, 159996), (134, 155220), (156, 133330), (195, 106664), (199, 104520), (201, 103480), (260, 79998), (268, 77610), (312, 66665), (335, 62088), (390, 53332), (398, 52260), (402, 51740), (520, 39999), (536, 38805), (597, 34840), (670, 31044), (780, 26666), (796, 26130), (804, 25870), (871, 23880), (995, 20904), (1005, 20696), (1194, 17420), (1340, 15522), (1560, 13333), (1592, 13065), (1608, 12935), (1742, 11940), (1990, 10452), (2010, 10348), (2388, 8710), (2587, 8040), (2613, 7960), (2680, 7761), (2985, 6968), (3484, 5970), (3980, 5226), (4020, 5174), (4355, 4776)]