20090490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 57127680

約数和(自身を除く): 37037190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 79, 98, 105, 147, 158, 173, 210, 237, 245, 294, 346, 395, 474, 490, 519, 553, 735, 790, 865, 1038, 1106, 1185, 1211, 1470, 1659, 1730, 2370, 2422, 2595, 2765, 3318, 3633, 3871, 5190, 5530, 6055, 7266, 7742, 8295, 8477, 11613, 12110, 13667, 16590, 16954, 18165, 19355, 23226, 25431, 27334, 36330, 38710, 41001, 42385, 50862, 58065, 68335, 82002, 84770, 95669, 116130, 127155, 136670, 191338, 205005, 254310, 287007, 410010, 478345, 574014, 669683, 956690, 1339366, 1435035, 2009049, 2870070, 3348415, 4018098, 6696830, 10045245, 20090490]

約数ペア:

[(1, 20090490), (2, 10045245), (3, 6696830), (5, 4018098), (6, 3348415), (7, 2870070), (10, 2009049), (14, 1435035), (15, 1339366), (21, 956690), (30, 669683), (35, 574014), (42, 478345), (49, 410010), (70, 287007), (79, 254310), (98, 205005), (105, 191338), (147, 136670), (158, 127155), (173, 116130), (210, 95669), (237, 84770), (245, 82002), (294, 68335), (346, 58065), (395, 50862), (474, 42385), (490, 41001), (519, 38710), (553, 36330), (735, 27334), (790, 25431), (865, 23226), (1038, 19355), (1106, 18165), (1185, 16954), (1211, 16590), (1470, 13667), (1659, 12110), (1730, 11613), (2370, 8477), (2422, 8295), (2595, 7742), (2765, 7266), (3318, 6055), (3633, 5530), (3871, 5190)]