20238400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 168

約数和(自身を含む): 61732160

約数和(自身を除く): 41493760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 130, 139, 140, 160, 175, 182, 200, 208, 224, 260, 278, 280, 320, 325, 350, 364, 400, 416, 448, 455, 520, 556, 560, 650, 695, 700, 728, 800, 832, 910, 973, 1040, 1112, 1120, 1300, 1390, 1400, 1456, 1600, 1807, 1820, 1946, 2080, 2224, 2240, 2275, 2600, 2780, 2800, 2912, 3475, 3614, 3640, 3892, 4160, 4448, 4550, 4865, 5200, 5560, 5600, 5824, 6950, 7228, 7280, 7784, 8896, 9035, 9100, 9730, 10400, 11120, 11200, 12649, 13900, 14456, 14560, 15568, 18070, 18200, 19460, 20800, 22240, 24325, 25298, 27800, 28912, 29120, 31136, 36140, 36400, 38920, 44480, 45175, 48650, 50596, 55600, 57824, 62272, 63245, 72280, 72800, 77840, 90350, 97300, 101192, 111200, 115648, 126490, 144560, 145600, 155680, 180700, 194600, 202384, 222400, 252980, 289120, 311360, 316225, 361400, 389200, 404768, 505960, 578240, 632450, 722800, 778400, 809536, 1011920, 1264900, 1445600, 1556800, 2023840, 2529800, 2891200, 4047680, 5059600, 10119200, 20238400]

約数ペア:

[(1, 20238400), (2, 10119200), (4, 5059600), (5, 4047680), (7, 2891200), (8, 2529800), (10, 2023840), (13, 1556800), (14, 1445600), (16, 1264900), (20, 1011920), (25, 809536), (26, 778400), (28, 722800), (32, 632450), (35, 578240), (40, 505960), (50, 404768), (52, 389200), (56, 361400), (64, 316225), (65, 311360), (70, 289120), (80, 252980), (91, 222400), (100, 202384), (104, 194600), (112, 180700), (130, 155680), (139, 145600), (140, 144560), (160, 126490), (175, 115648), (182, 111200), (200, 101192), (208, 97300), (224, 90350), (260, 77840), (278, 72800), (280, 72280), (320, 63245), (325, 62272), (350, 57824), (364, 55600), (400, 50596), (416, 48650), (448, 45175), (455, 44480), (520, 38920), (556, 36400), (560, 36140), (650, 31136), (695, 29120), (700, 28912), (728, 27800), (800, 25298), (832, 24325), (910, 22240), (973, 20800), (1040, 19460), (1112, 18200), (1120, 18070), (1300, 15568), (1390, 14560), (1400, 14456), (1456, 13900), (1600, 12649), (1807, 11200), (1820, 11120), (1946, 10400), (2080, 9730), (2224, 9100), (2240, 9035), (2275, 8896), (2600, 7784), (2780, 7280), (2800, 7228), (2912, 6950), (3475, 5824), (3614, 5600), (3640, 5560), (3892, 5200), (4160, 4865), (4448, 4550)]