20199872336

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1\times {\mathrm{2269}}^1$

素因数の和:3172

約数の個数: 80

約数和(自身を含む): 45248472960

約数和(自身を除く): 25048600624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 787, 808, 1414, 1574, 1616, 2269, 2828, 3148, 4538, 5509, 5656, 6296, 9076, 11018, 11312, 12592, 15883, 18152, 22036, 31766, 36304, 44072, 63532, 79487, 88144, 127064, 158974, 229169, 254128, 317948, 458338, 556409, 635896, 916676, 1112818, 1271792, 1604183, 1785703, 1833352, 2225636, 3208366, 3571406, 3666704, 4451272, 6416732, 7142812, 8902544, 12499921, 12833464, 14285624, 24999842, 25666928, 28571248, 49999684, 99999368, 180356003, 199998736, 360712006, 721424012, 1262492021, 1442848024, 2524984042, 2885696048, 5049968084, 10099936168, 20199872336]

約数ペア:

[(1, 20199872336), (2, 10099936168), (4, 5049968084), (7, 2885696048), (8, 2524984042), (14, 1442848024), (16, 1262492021), (28, 721424012), (56, 360712006), (101, 199998736), (112, 180356003), (202, 99999368), (404, 49999684), (707, 28571248), (787, 25666928), (808, 24999842), (1414, 14285624), (1574, 12833464), (1616, 12499921), (2269, 8902544), (2828, 7142812), (3148, 6416732), (4538, 4451272), (5509, 3666704), (5656, 3571406), (6296, 3208366), (9076, 2225636), (11018, 1833352), (11312, 1785703), (12592, 1604183), (15883, 1271792), (18152, 1112818), (22036, 916676), (31766, 635896), (36304, 556409), (44072, 458338), (63532, 317948), (79487, 254128), (88144, 229169), (127064, 158974)]