20178867096

素因数分解:

$2^3\times 3^4\times {\mathrm{503}}^1\times {\mathrm{61909}}^1$

素因数の和:62430

約数の個数: 80

約数和(自身を含む): 56632791600

約数和(自身を除く): 36453924504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 503, 648, 1006, 1509, 2012, 3018, 4024, 4527, 6036, 9054, 12072, 13581, 18108, 27162, 36216, 40743, 54324, 61909, 81486, 108648, 123818, 162972, 185727, 247636, 325944, 371454, 495272, 557181, 742908, 1114362, 1485816, 1671543, 2228724, 3343086, 4457448, 5014629, 6686172, 10029258, 13372344, 20058516, 31140227, 40117032, 62280454, 93420681, 124560908, 186841362, 249121816, 280262043, 373682724, 560524086, 747365448, 840786129, 1121048172, 1681572258, 2242096344, 2522358387, 3363144516, 5044716774, 6726289032, 10089433548, 20178867096]

約数ペア:

[(1, 20178867096), (2, 10089433548), (3, 6726289032), (4, 5044716774), (6, 3363144516), (8, 2522358387), (9, 2242096344), (12, 1681572258), (18, 1121048172), (24, 840786129), (27, 747365448), (36, 560524086), (54, 373682724), (72, 280262043), (81, 249121816), (108, 186841362), (162, 124560908), (216, 93420681), (324, 62280454), (503, 40117032), (648, 31140227), (1006, 20058516), (1509, 13372344), (2012, 10029258), (3018, 6686172), (4024, 5014629), (4527, 4457448), (6036, 3343086), (9054, 2228724), (12072, 1671543), (13581, 1485816), (18108, 1114362), (27162, 742908), (36216, 557181), (40743, 495272), (54324, 371454), (61909, 325944), (81486, 247636), (108648, 185727), (123818, 162972)]