20178013380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4663}}^1\times {\mathrm{10303}}^1$

素因数の和:14985

約数の個数: 96

約数和(自身を含む): 64589758464

約数和(自身を除く): 44411745084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4663, 9326, 10303, 13989, 18652, 20606, 23315, 27978, 30909, 32641, 41212, 46630, 51515, 55956, 61818, 65282, 69945, 72121, 93260, 97923, 103030, 123636, 130564, 139890, 144242, 154545, 163205, 195846, 206060, 216363, 279780, 288484, 309090, 326410, 360605, 391692, 432726, 489615, 618180, 652820, 721210, 865452, 979230, 1081815, 1442420, 1958460, 2163630, 4327260, 48042889, 96085778, 144128667, 192171556, 240214445, 288257334, 336300223, 480428890, 576514668, 672600446, 720643335, 960857780, 1008900669, 1345200892, 1441286670, 1681501115, 2017801338, 2882573340, 3363002230, 4035602676, 5044503345, 6726004460, 10089006690, 20178013380]

約数ペア:

[(1, 20178013380), (2, 10089006690), (3, 6726004460), (4, 5044503345), (5, 4035602676), (6, 3363002230), (7, 2882573340), (10, 2017801338), (12, 1681501115), (14, 1441286670), (15, 1345200892), (20, 1008900669), (21, 960857780), (28, 720643335), (30, 672600446), (35, 576514668), (42, 480428890), (60, 336300223), (70, 288257334), (84, 240214445), (105, 192171556), (140, 144128667), (210, 96085778), (420, 48042889), (4663, 4327260), (9326, 2163630), (10303, 1958460), (13989, 1442420), (18652, 1081815), (20606, 979230), (23315, 865452), (27978, 721210), (30909, 652820), (32641, 618180), (41212, 489615), (46630, 432726), (51515, 391692), (55956, 360605), (61818, 326410), (65282, 309090), (69945, 288484), (72121, 279780), (93260, 216363), (97923, 206060), (103030, 195846), (123636, 163205), (130564, 154545), (139890, 144242)]