20235038420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{35879}}^1$

素因数の和:36224

約数の個数: 48

約数和(自身を含む): 43002610560

約数和(自身を除く): 22767572140

約数列:

[1, 2, 4, 5, 10, 20, 163, 173, 326, 346, 652, 692, 815, 865, 1630, 1730, 3260, 3460, 28199, 35879, 56398, 71758, 112796, 140995, 143516, 179395, 281990, 358790, 563980, 717580, 5848277, 6207067, 11696554, 12414134, 23393108, 24828268, 29241385, 31035335, 58482770, 62070670, 116965540, 124141340, 1011751921, 2023503842, 4047007684, 5058759605, 10117519210, 20235038420]

約数ペア:

[(1, 20235038420), (2, 10117519210), (4, 5058759605), (5, 4047007684), (10, 2023503842), (20, 1011751921), (163, 124141340), (173, 116965540), (326, 62070670), (346, 58482770), (652, 31035335), (692, 29241385), (815, 24828268), (865, 23393108), (1630, 12414134), (1730, 11696554), (3260, 6207067), (3460, 5848277), (28199, 717580), (35879, 563980), (56398, 358790), (71758, 281990), (112796, 179395), (140995, 143516)]