20463778900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4363}}^1$

素因数の和:4514

約数の個数: 144

約数和(自身を含む): 49091857920

約数和(自身を除く): 28628079020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 89, 100, 124, 155, 170, 178, 310, 340, 356, 425, 445, 527, 620, 775, 850, 890, 1054, 1513, 1550, 1700, 1780, 2108, 2225, 2635, 2759, 3026, 3100, 4363, 4450, 5270, 5518, 6052, 7565, 8726, 8900, 10540, 11036, 13175, 13795, 15130, 17452, 21815, 26350, 27590, 30260, 37825, 43630, 46903, 52700, 55180, 68975, 74171, 75650, 87260, 93806, 109075, 135253, 137950, 148342, 151300, 187612, 218150, 234515, 270506, 275900, 296684, 370855, 388307, 436300, 469030, 541012, 676265, 741710, 776614, 938060, 1172575, 1352530, 1483420, 1553228, 1854275, 1941535, 2299301, 2345150, 2705060, 3381325, 3708550, 3883070, 4598602, 4690300, 6601219, 6762650, 7417100, 7766140, 9197204, 9707675, 11496505, 12037517, 13202438, 13525300, 19415350, 22993010, 24075034, 26404876, 33006095, 38830700, 45986020, 48150068, 57482525, 60187585, 66012190, 114965050, 120375170, 132024380, 165030475, 204637789, 229930100, 240750340, 300937925, 330060950, 409275578, 601875850, 660121900, 818551156, 1023188945, 1203751700, 2046377890, 4092755780, 5115944725, 10231889450, 20463778900]

約数ペア:

[(1, 20463778900), (2, 10231889450), (4, 5115944725), (5, 4092755780), (10, 2046377890), (17, 1203751700), (20, 1023188945), (25, 818551156), (31, 660121900), (34, 601875850), (50, 409275578), (62, 330060950), (68, 300937925), (85, 240750340), (89, 229930100), (100, 204637789), (124, 165030475), (155, 132024380), (170, 120375170), (178, 114965050), (310, 66012190), (340, 60187585), (356, 57482525), (425, 48150068), (445, 45986020), (527, 38830700), (620, 33006095), (775, 26404876), (850, 24075034), (890, 22993010), (1054, 19415350), (1513, 13525300), (1550, 13202438), (1700, 12037517), (1780, 11496505), (2108, 9707675), (2225, 9197204), (2635, 7766140), (2759, 7417100), (3026, 6762650), (3100, 6601219), (4363, 4690300), (4450, 4598602), (5270, 3883070), (5518, 3708550), (6052, 3381325), (7565, 2705060), (8726, 2345150), (8900, 2299301), (10540, 1941535), (11036, 1854275), (13175, 1553228), (13795, 1483420), (15130, 1352530), (17452, 1172575), (21815, 938060), (26350, 776614), (27590, 741710), (30260, 676265), (37825, 541012), (43630, 469030), (46903, 436300), (52700, 388307), (55180, 370855), (68975, 296684), (74171, 275900), (75650, 270506), (87260, 234515), (93806, 218150), (109075, 187612), (135253, 151300), (137950, 148342)]