20888915320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5738713}}^1$

素因数の和:5738744

約数の個数: 64

約数和(自身を含む): 57846237120

約数和(自身を除く): 36957321800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5738713, 11477426, 22954852, 28693565, 40170991, 45909704, 57387130, 74603269, 80341982, 114774260, 149206538, 160683964, 200854955, 229548520, 298413076, 321367928, 373016345, 401709910, 522222883, 596826152, 746032690, 803419820, 1044445766, 1492065380, 1606839640, 2088891532, 2611114415, 2984130760, 4177783064, 5222228830, 10444457660, 20888915320]

約数ペア:

[(1, 20888915320), (2, 10444457660), (4, 5222228830), (5, 4177783064), (7, 2984130760), (8, 2611114415), (10, 2088891532), (13, 1606839640), (14, 1492065380), (20, 1044445766), (26, 803419820), (28, 746032690), (35, 596826152), (40, 522222883), (52, 401709910), (56, 373016345), (65, 321367928), (70, 298413076), (91, 229548520), (104, 200854955), (130, 160683964), (140, 149206538), (182, 114774260), (260, 80341982), (280, 74603269), (364, 57387130), (455, 45909704), (520, 40170991), (728, 28693565), (910, 22954852), (1820, 11477426), (3640, 5738713)]