20171728060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1\times {\mathrm{1931}}^1$

素因数の和:2515

約数の個数: 96

約数和(自身を含む): 46785682944

約数和(自身を除く): 26613954884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 461, 515, 922, 1030, 1133, 1844, 1931, 2060, 2266, 2305, 3862, 4532, 4610, 5071, 5665, 7724, 9220, 9655, 10142, 11330, 19310, 20284, 21241, 22660, 25355, 38620, 42482, 47483, 50710, 84964, 94966, 101420, 106205, 189932, 198893, 212410, 237415, 397786, 424820, 474830, 522313, 795572, 890191, 949660, 994465, 1044626, 1780382, 1988930, 2089252, 2187823, 2611565, 3560764, 3977860, 4375646, 4450955, 5223130, 8751292, 8901910, 9792101, 10446260, 10939115, 17803820, 19584202, 21878230, 39168404, 43756460, 48960505, 91689673, 97921010, 183379346, 195842020, 366758692, 458448365, 916896730, 1008586403, 1833793460, 2017172806, 4034345612, 5042932015, 10085864030, 20171728060]

約数ペア:

[(1, 20171728060), (2, 10085864030), (4, 5042932015), (5, 4034345612), (10, 2017172806), (11, 1833793460), (20, 1008586403), (22, 916896730), (44, 458448365), (55, 366758692), (103, 195842020), (110, 183379346), (206, 97921010), (220, 91689673), (412, 48960505), (461, 43756460), (515, 39168404), (922, 21878230), (1030, 19584202), (1133, 17803820), (1844, 10939115), (1931, 10446260), (2060, 9792101), (2266, 8901910), (2305, 8751292), (3862, 5223130), (4532, 4450955), (4610, 4375646), (5071, 3977860), (5665, 3560764), (7724, 2611565), (9220, 2187823), (9655, 2089252), (10142, 1988930), (11330, 1780382), (19310, 1044626), (20284, 994465), (21241, 949660), (22660, 890191), (25355, 795572), (38620, 522313), (42482, 474830), (47483, 424820), (50710, 397786), (84964, 237415), (94966, 212410), (101420, 198893), (106205, 189932)]