20153237888

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{2333}}^1$

素因数の和:2696

約数の個数: 128

約数和(自身を含む): 47537418240

約数和(自身を除く): 27384180352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 311, 434, 448, 496, 622, 868, 896, 992, 1244, 1736, 1984, 2177, 2333, 2488, 3472, 3968, 4354, 4666, 4976, 6944, 8708, 9332, 9641, 9952, 13888, 16331, 17416, 18664, 19282, 19904, 27776, 32662, 34832, 37328, 38564, 39808, 65324, 67487, 69664, 72323, 74656, 77128, 130648, 134974, 139328, 144646, 149312, 154256, 261296, 269948, 278656, 289292, 298624, 308512, 506261, 522592, 539896, 578584, 617024, 725563, 1012522, 1045184, 1079792, 1157168, 1234048, 1451126, 2025044, 2090368, 2159584, 2314336, 2902252, 4050088, 4319168, 4628672, 5078941, 5804504, 8100176, 8638336, 9257344, 10157882, 11609008, 16200352, 20315764, 22492453, 23218016, 32400704, 40631528, 44984906, 46436032, 64801408, 81263056, 89969812, 92872064, 157447171, 162526112, 179939624, 314894342, 325052224, 359879248, 629788684, 650104448, 719758496, 1259577368, 1439516992, 2519154736, 2879033984, 5038309472, 10076618944, 20153237888]

約数ペア:

[(1, 20153237888), (2, 10076618944), (4, 5038309472), (7, 2879033984), (8, 2519154736), (14, 1439516992), (16, 1259577368), (28, 719758496), (31, 650104448), (32, 629788684), (56, 359879248), (62, 325052224), (64, 314894342), (112, 179939624), (124, 162526112), (128, 157447171), (217, 92872064), (224, 89969812), (248, 81263056), (311, 64801408), (434, 46436032), (448, 44984906), (496, 40631528), (622, 32400704), (868, 23218016), (896, 22492453), (992, 20315764), (1244, 16200352), (1736, 11609008), (1984, 10157882), (2177, 9257344), (2333, 8638336), (2488, 8100176), (3472, 5804504), (3968, 5078941), (4354, 4628672), (4666, 4319168), (4976, 4050088), (6944, 2902252), (8708, 2314336), (9332, 2159584), (9641, 2090368), (9952, 2025044), (13888, 1451126), (16331, 1234048), (17416, 1157168), (18664, 1079792), (19282, 1045184), (19904, 1012522), (27776, 725563), (32662, 617024), (34832, 578584), (37328, 539896), (38564, 522592), (39808, 506261), (65324, 308512), (67487, 298624), (69664, 289292), (72323, 278656), (74656, 269948), (77128, 261296), (130648, 154256), (134974, 149312), (139328, 144646)]