20194668540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{17189}}^1$

素因数の和:17372

約数の個数: 144

約数和(自身を含む): 62846915040

約数和(自身を除く): 42652246500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 107, 122, 180, 183, 214, 244, 305, 321, 366, 428, 535, 549, 610, 642, 732, 915, 963, 1070, 1098, 1220, 1284, 1605, 1830, 1926, 2140, 2196, 2745, 3210, 3660, 3852, 4815, 5490, 6420, 6527, 9630, 10980, 13054, 17189, 19260, 19581, 26108, 32635, 34378, 39162, 51567, 58743, 65270, 68756, 78324, 85945, 97905, 103134, 117486, 130540, 154701, 171890, 195810, 206268, 234972, 257835, 293715, 309402, 343780, 391620, 515670, 587430, 618804, 773505, 1031340, 1048529, 1174860, 1547010, 1839223, 2097058, 3094020, 3145587, 3678446, 4194116, 5242645, 5517669, 6291174, 7356892, 9196115, 9436761, 10485290, 11035338, 12582348, 15727935, 16553007, 18392230, 18873522, 20970580, 22070676, 27588345, 31455870, 33106014, 36784460, 37747044, 47183805, 55176690, 62911740, 66212028, 82765035, 94367610, 110353380, 112192603, 165530070, 188735220, 224385206, 331060140, 336577809, 448770412, 560963015, 673155618, 1009733427, 1121926030, 1346311236, 1682889045, 2019466854, 2243852060, 3365778090, 4038933708, 5048667135, 6731556180, 10097334270, 20194668540]

約数ペア:

[(1, 20194668540), (2, 10097334270), (3, 6731556180), (4, 5048667135), (5, 4038933708), (6, 3365778090), (9, 2243852060), (10, 2019466854), (12, 1682889045), (15, 1346311236), (18, 1121926030), (20, 1009733427), (30, 673155618), (36, 560963015), (45, 448770412), (60, 336577809), (61, 331060140), (90, 224385206), (107, 188735220), (122, 165530070), (180, 112192603), (183, 110353380), (214, 94367610), (244, 82765035), (305, 66212028), (321, 62911740), (366, 55176690), (428, 47183805), (535, 37747044), (549, 36784460), (610, 33106014), (642, 31455870), (732, 27588345), (915, 22070676), (963, 20970580), (1070, 18873522), (1098, 18392230), (1220, 16553007), (1284, 15727935), (1605, 12582348), (1830, 11035338), (1926, 10485290), (2140, 9436761), (2196, 9196115), (2745, 7356892), (3210, 6291174), (3660, 5517669), (3852, 5242645), (4815, 4194116), (5490, 3678446), (6420, 3145587), (6527, 3094020), (9630, 2097058), (10980, 1839223), (13054, 1547010), (17189, 1174860), (19260, 1048529), (19581, 1031340), (26108, 773505), (32635, 618804), (34378, 587430), (39162, 515670), (51567, 391620), (58743, 343780), (65270, 309402), (68756, 293715), (78324, 257835), (85945, 234972), (97905, 206268), (103134, 195810), (117486, 171890), (130540, 154701)]