20187053240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29686843}}^1$

素因数の和:29686871

約数の個数: 32

約数和(自身を含む): 48092687280

約数和(自身を除く): 27905634040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29686843, 59373686, 118747372, 148434215, 237494744, 296868430, 504676331, 593736860, 1009352662, 1187473720, 2018705324, 2523381655, 4037410648, 5046763310, 10093526620, 20187053240]

約数ペア:

[(1, 20187053240), (2, 10093526620), (4, 5046763310), (5, 4037410648), (8, 2523381655), (10, 2018705324), (17, 1187473720), (20, 1009352662), (34, 593736860), (40, 504676331), (68, 296868430), (85, 237494744), (136, 148434215), (170, 118747372), (340, 59373686), (680, 29686843)]