20054301345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1092

約数の個数: 144

約数和(自身を含む): 40121473392

約数和(自身を除く): 20067172047

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 181, 195, 221, 255, 507, 543, 585, 663, 765, 845, 857, 905, 1105, 1521, 1629, 1989, 2353, 2535, 2571, 2715, 2873, 3077, 3315, 4285, 7059, 7605, 7713, 8145, 8619, 9231, 9945, 11141, 11765, 12855, 14365, 14569, 15385, 21177, 25857, 27693, 30589, 33423, 35295, 38565, 40001, 43095, 43707, 46155, 55705, 72845, 91767, 100269, 105885, 120003, 129285, 131121, 138465, 144833, 152945, 155117, 167115, 189397, 200005, 218535, 275301, 360009, 434499, 458835, 465351, 501345, 520013, 568191, 600015, 655605, 724165, 775585, 946985, 1303497, 1376505, 1396053, 1560039, 1704573, 1800045, 2016521, 2172495, 2326755, 2462161, 2600065, 2636989, 2840955, 4680117, 6049563, 6517485, 6980265, 7386483, 7800195, 7910967, 8522865, 10082605, 12310805, 13184945, 18148689, 22159449, 23400585, 23732901, 26214773, 30247815, 34280857, 36932415, 39554835, 78644319, 90743445, 102842571, 110797245, 118664505, 131073865, 171404285, 235932957, 308527713, 393221595, 445651141, 514212855, 1179664785, 1336953423, 1542638565, 2228255705, 4010860269, 6684767115, 20054301345]

約数ペア:

[(1, 20054301345), (3, 6684767115), (5, 4010860269), (9, 2228255705), (13, 1542638565), (15, 1336953423), (17, 1179664785), (39, 514212855), (45, 445651141), (51, 393221595), (65, 308527713), (85, 235932957), (117, 171404285), (153, 131073865), (169, 118664505), (181, 110797245), (195, 102842571), (221, 90743445), (255, 78644319), (507, 39554835), (543, 36932415), (585, 34280857), (663, 30247815), (765, 26214773), (845, 23732901), (857, 23400585), (905, 22159449), (1105, 18148689), (1521, 13184945), (1629, 12310805), (1989, 10082605), (2353, 8522865), (2535, 7910967), (2571, 7800195), (2715, 7386483), (2873, 6980265), (3077, 6517485), (3315, 6049563), (4285, 4680117), (7059, 2840955), (7605, 2636989), (7713, 2600065), (8145, 2462161), (8619, 2326755), (9231, 2172495), (9945, 2016521), (11141, 1800045), (11765, 1704573), (12855, 1560039), (14365, 1396053), (14569, 1376505), (15385, 1303497), (21177, 946985), (25857, 775585), (27693, 724165), (30589, 655605), (33423, 600015), (35295, 568191), (38565, 520013), (40001, 501345), (43095, 465351), (43707, 458835), (46155, 434499), (55705, 360009), (72845, 275301), (91767, 218535), (100269, 200005), (105885, 189397), (120003, 167115), (129285, 155117), (131121, 152945), (138465, 144833)]