20458224

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 43823376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 29, 36, 46, 48, 54, 58, 69, 71, 72, 87, 92, 108, 116, 138, 142, 144, 174, 184, 207, 213, 216, 232, 261, 276, 284, 348, 368, 414, 426, 432, 464, 522, 552, 568, 621, 639, 667, 696, 783, 828, 852, 1044, 1104, 1136, 1242, 1278, 1334, 1392, 1566, 1633, 1656, 1704, 1917, 2001, 2059, 2088, 2484, 2556, 2668, 3132, 3266, 3312, 3408, 3834, 4002, 4118, 4176, 4899, 4968, 5112, 5336, 6003, 6177, 6264, 6532, 7668, 8004, 8236, 9798, 9936, 10224, 10672, 12006, 12354, 12528, 13064, 14697, 15336, 16008, 16472, 18009, 18531, 19596, 24012, 24708, 26128, 29394, 30672, 32016, 32944, 36018, 37062, 39192, 44091, 47357, 48024, 49416, 55593, 58788, 72036, 74124, 78384, 88182, 94714, 96048, 98832, 111186, 117576, 142071, 144072, 148248, 176364, 189428, 222372, 235152, 284142, 288144, 296496, 352728, 378856, 426213, 444744, 568284, 705456, 757712, 852426, 889488, 1136568, 1278639, 1704852, 2273136, 2557278, 3409704, 5114556, 6819408, 10229112, 20458224]

約数ペア:

[(1, 20458224), (2, 10229112), (3, 6819408), (4, 5114556), (6, 3409704), (8, 2557278), (9, 2273136), (12, 1704852), (16, 1278639), (18, 1136568), (23, 889488), (24, 852426), (27, 757712), (29, 705456), (36, 568284), (46, 444744), (48, 426213), (54, 378856), (58, 352728), (69, 296496), (71, 288144), (72, 284142), (87, 235152), (92, 222372), (108, 189428), (116, 176364), (138, 148248), (142, 144072), (144, 142071), (174, 117576), (184, 111186), (207, 98832), (213, 96048), (216, 94714), (232, 88182), (261, 78384), (276, 74124), (284, 72036), (348, 58788), (368, 55593), (414, 49416), (426, 48024), (432, 47357), (464, 44091), (522, 39192), (552, 37062), (568, 36018), (621, 32944), (639, 32016), (667, 30672), (696, 29394), (783, 26128), (828, 24708), (852, 24012), (1044, 19596), (1104, 18531), (1136, 18009), (1242, 16472), (1278, 16008), (1334, 15336), (1392, 14697), (1566, 13064), (1633, 12528), (1656, 12354), (1704, 12006), (1917, 10672), (2001, 10224), (2059, 9936), (2088, 9798), (2484, 8236), (2556, 8004), (2668, 7668), (3132, 6532), (3266, 6264), (3312, 6177), (3408, 6003), (3834, 5336), (4002, 5112), (4118, 4968), (4176, 4899)]