20412270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 60134400

約数和(自身を除く): 39722130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 27, 30, 38, 45, 46, 54, 57, 69, 90, 95, 114, 115, 135, 138, 171, 173, 190, 207, 230, 270, 285, 342, 345, 346, 414, 437, 513, 519, 570, 621, 690, 855, 865, 874, 1026, 1035, 1038, 1242, 1311, 1557, 1710, 1730, 2070, 2185, 2565, 2595, 2622, 3105, 3114, 3287, 3933, 3979, 4370, 4671, 5130, 5190, 6210, 6555, 6574, 7785, 7866, 7958, 9342, 9861, 11799, 11937, 13110, 15570, 16435, 19665, 19722, 19895, 23355, 23598, 23874, 29583, 32870, 35811, 39330, 39790, 46710, 49305, 58995, 59166, 59685, 71622, 75601, 88749, 98610, 107433, 117990, 119370, 147915, 151202, 177498, 179055, 214866, 226803, 295830, 358110, 378005, 443745, 453606, 537165, 680409, 756010, 887490, 1074330, 1134015, 1360818, 2041227, 2268030, 3402045, 4082454, 6804090, 10206135, 20412270]

約数ペア:

[(1, 20412270), (2, 10206135), (3, 6804090), (5, 4082454), (6, 3402045), (9, 2268030), (10, 2041227), (15, 1360818), (18, 1134015), (19, 1074330), (23, 887490), (27, 756010), (30, 680409), (38, 537165), (45, 453606), (46, 443745), (54, 378005), (57, 358110), (69, 295830), (90, 226803), (95, 214866), (114, 179055), (115, 177498), (135, 151202), (138, 147915), (171, 119370), (173, 117990), (190, 107433), (207, 98610), (230, 88749), (270, 75601), (285, 71622), (342, 59685), (345, 59166), (346, 58995), (414, 49305), (437, 46710), (513, 39790), (519, 39330), (570, 35811), (621, 32870), (690, 29583), (855, 23874), (865, 23598), (874, 23355), (1026, 19895), (1035, 19722), (1038, 19665), (1242, 16435), (1311, 15570), (1557, 13110), (1710, 11937), (1730, 11799), (2070, 9861), (2185, 9342), (2565, 7958), (2595, 7866), (2622, 7785), (3105, 6574), (3114, 6555), (3287, 6210), (3933, 5190), (3979, 5130), (4370, 4671)]