20803759930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{17203}}^1$

素因数の和:17371

約数の個数: 64

約数和(自身を含む): 39955120128

約数和(自身を除く): 19151360198

約数列:

[1, 2, 5, 10, 31, 47, 62, 83, 94, 155, 166, 235, 310, 415, 470, 830, 1457, 2573, 2914, 3901, 5146, 7285, 7802, 12865, 14570, 17203, 19505, 25730, 34406, 39010, 86015, 120931, 172030, 241862, 533293, 604655, 808541, 1066586, 1209310, 1427849, 1617082, 2666465, 2855698, 4042705, 5332930, 7139245, 8085410, 14278490, 25064771, 44263319, 50129542, 67108903, 88526638, 125323855, 134217806, 221316595, 250647710, 335544515, 442633190, 671089030, 2080375993, 4160751986, 10401879965, 20803759930]

約数ペア:

[(1, 20803759930), (2, 10401879965), (5, 4160751986), (10, 2080375993), (31, 671089030), (47, 442633190), (62, 335544515), (83, 250647710), (94, 221316595), (155, 134217806), (166, 125323855), (235, 88526638), (310, 67108903), (415, 50129542), (470, 44263319), (830, 25064771), (1457, 14278490), (2573, 8085410), (2914, 7139245), (3901, 5332930), (5146, 4042705), (7285, 2855698), (7802, 2666465), (12865, 1617082), (14570, 1427849), (17203, 1209310), (19505, 1066586), (25730, 808541), (34406, 604655), (39010, 533293), (86015, 241862), (120931, 172030)]